Journal Paper

1.      Keisuke Nagasawa, Yuto Ikeda and Takashi Irohara, Robust flow shop scheduling with random processing times for reduction of peak power consumption, Simulation Modelling Practice and Theory, Vol., pp.-, (accepted)

2.      Wapee Manopiniwes, Keisuke Nagasawa and Takashi Irohara, Facility Location Alternatives between Expected and Worst Case Time Performance in Humanitarian Relief Logistics, Journal of Japan Industrial Management Association, Vol. 66, No. 2E, pp.142-153, (2015)
http://doi.org/10.11221/jima.66.142

3.      Keisuke Nagasawa, Takashi Irohara, Yosuke Matoba and Shuling Liu, Applying genetic algorithm for can-order policies in the joint replenishment problem, Industrial Engineering & Management Systems, Vol.14, No.1, pp.1-10, (2015)
http://dx.doi.org/10.7232/iems.2015.14.1.001

4.      Kohei HARADA, Takashi IROHARA and Keisuke NAGASAWA, Inventory model with fixed and variable lead time crashing costs and controllable backorder rate, Journal of Japan Industrial Management Association, Vol.65, No.4, pp.278-285, (2015)

5.      Ryuichi OSUMI, Takashi IROHARA and Keisuke NAGASAWA, Order-up-to-level and reorder-level policy under difference between replenishing and shipping unit, Journal of Japan Industrial Management Association, Vol.65, No.4, pp.294-301, (2015)

6.      Wapee Manopiniwes, Keisuke Nagasawa and Takashi Irohara, Humanitarian Relief Logistics with Time Restriction: Thai Flooding Case Study, Industrial Engineering & Management Systems, Vol.13, No.4, pp.398-407, (2014)
DOI : http://dx.doi.org/10.7232/iems.2014.13.4.398

7.      Wapee Manopiniwes and Takashi Irohara, Invited Review Paper: A Review of Relief Supply Chain Optimization, Industrial Engineering & Management Systems, Vol.13, No.1, pp.1-14, (2014) http://dx.doi.org/10.7232/iems.2014.13.1.001

8.      Daisuke Yagi, Keisuke Nagasawa, Takashi Irohara, Hans Ehm and Geraldine Yachi, Semiconductor supply planning by considering transit options to take advantage of pre-productions and order cancellations, Simulation Modelling Practice and Theory, Vol.41, pp.46-58, (2014)  http://dx.doi.org/10.1016/j.simpat.2013.11.007

9.      Keisuke Nagasawa, Takashi Irohara, Yosuke Matoba and Shuling Liu, Applying Random Forests to Decide Ordering Policy Based on Important Shipping Statistics, Journal of Japan Industrial Management Association, Vol.64, No.4E, pp.579-590, (2014) http://dx.doi.org/10.11221/jima.64.579

10.   Keisuke Nagasawa, Takashi Irohara, Yosuke Matoba and Shuling Liu, Joint Replenishment Problem in Multi-Item Inventory Control with Carrier Capacity and Receiving Inspection Cost, Operations and Supply Chain Management: An International Journal, Vol.6, No.3, pp.111-116, (2013)

11.   Keisuke Nagasawa, Takashi Irohara, Yosuke Matoba and Shuling Liu, Genetic-algorithm-based coordinated replenishment in multi-item inventory control, International Journal of Industrial Engineering & Management Systems, Vol.12, No.3, pp.172-180, (2013) DOI: 10.7232/iems.2013.12.3.172

12.   Benjamin Klöpper, Jan Patrick Pater, Takashi Irohara and Yudong Xue, Bi-Objective Optimization of Transportation Problems for CO2-efficient Schedules - An International Use Case, International Journal of Engineering Management and Economics, Vol.3, No.3, pp.212-236, (2012)

13.   Keisuke Nagasawa, Takashi Irohara, Yosuke Matoba and Shuling Liu, Selecting Ordering Policy and Items Classification Based on Canonical Correlation and Cluster Analysis, Industrial Engineering & Management Systems, Vol.11, No.2, pp.134-141, (2012)

14.   Takashi Irohara, Masafumi Hishikura and Hideaki Yamashita, The material handling trade-off when lot splitting between the material movement and lead time, Vol.62, No.6 (2012)

15.   Yu-dong Xue and Takashi Irohara, A time-space network based international transportation scheduling problem incorporating CO2 emission levels, Journal of Zhejiang University - SCIENCE A (Applied Physics & Engineering), Vol.11, No.12, pp.927-932, (2010)

16.   Kenta Kakumoto and Takashi Irohara, Optimization and Sensitivity Analysis of an International Transportation Scheduling Problem Incorporating CO2 Emission Levels, Journal of Japan Industrial Management Association, Vol.61, No.2, pp.46-53, (2010)

17.   Takashi Irohara, Lagrangian relaxation algorithms for hybrid flow-shop scheduling problems with limited buffers, International Journal of Biomedical Soft Computing and Human Sciences, Vol.15, No.1, pp.21-28, (2010)

18.   Takashi IroharaCFacility Layout and Buffer Allocation Problem in Semiconductor Fabrication FacilitiesCJournal of the Society of Plant Engineers JapanCVol.20CNo.4Cpp.83-89C(2009)

19.   Takashi Irohara and Hideaki Yamashita, Stochastic Facility Layout Problem with Search Range Grouping for AGV delivery demand, Journal of Japan Industrial Management Association, Vol.59, No.6, pp.457-463, (2009)

20.   Koji Watanabe, Kazuya Toizumi and Takashi Irohara, Unrelated parallel machine scheduling to minimize total weighted tardiness and earliness, Journal of Japan Industrial Management Association, Vol.58, No.5, pp, (2007)

21.   Takashi Irohara, Hideaki Yamashita and Yo Ishizuka, Facility Layout Problem with Buffer Space Allocation for Throughput and Material Handling Cost, Journal of Japan Industrial Management Association, Vol.58, No.2, pp.87-96 (2007)

22.   Takashi Irohara, Hiroaki Fujikawa and Yutaka Shirai, Multi-floor facility layout problem considering initial and running cost simultaneously, Journal of the Logistics System JapanCVol.7, No.1, pp.67-78, (2007)

23.   Kazuya Toizumi, Koji Watanabe and Takashi Irohara, Scheduling method on setting number of workers in cell production, Journal of the Logistics System JapanCVol.7, No.1, pp. 47-53, (2007)

24.   Takashi Ito and Takashi Irohara, Multi-floor Facility Layout Technique Including Determination of Detailed I/O Location, Journal of Japan Industrial Management Association, Vol.57, No.5, pp.395-403, (2006)

25.   Akihiro Imahori and Takashi Irohara, The multi depot vehicle routing problem with time windows considered out-sourcing, Journal of the Logistics System JapanCVol.6CNo.1, pp.25-32, (2006)

26.   Yasuo Mitamura and Takashi Irohara, A two-stage flexible flowshop scheduling problem using Lagrangian decomposition and coordination, Journal of the Logistics System JapanCVol.6CNo.1, pp.43-52, (2006)

27.   Takuya Yamada and Takashi Irohara, Detailed Layout Design Methodology using Mixed Integer Programming and Simulated Annealing, Journal of Japan Industrial Management Association, Vol.57, No.1, pp.39-50, (2006)

28.   Takashi Ito and Takashi Irohara, The Research for Multi-floor Facility Layout Technique with Location Matrix, Journal of the Society of Plant Engineers Japan, Vol.17, No.4, pp.191-197, (2006)

29.   Hirokazu Murata, Takashi Irohara and Hiroaki Fujikawa, The Research for Multi-period Inventory Routing Problem with indirect restrictions of delivery distance, Journal of the Society of Plant Engineers Japan, Vol.17, No.4, pp.210-215, (2006)

30.   Hiroaki Fujikawa, Yutaka Shirai and Takashi Irohara, Department location method considering column position and aisle in multi-storied facility layout problem, Journal of the Logistics System JapanCVol.6CNo.1Cpp.43-52, (2005)

31.   Takashi Irohara, Hiroaki Fujikawa and Yutaka Shirai, Three-dimensional layout problem considering pipe route between machines, Journal of the Logistics System JapanCVol.6CNo.1Cpp.53-65, (2005)

32.   Takashi Irohara and Takuya Yamada, Location Matrix-based Facility Layout Problem Including Aisles and I/O Locations, Journal of Japan Industrial Management Association, Vol.55, No.6, pp.323-333, (2005)

33.   Takashi Irohara, Yo Ishizuka and Hideaki Yamashita, The Stochastic Facility Layout Problems in Production Systems with Variable Processing Times, Journal of Japan Industrial Management Association, Vol.55, No.6, pp.350-359, (2005)

34.   Hiroaki FujikawaCYutaka ShiraiCTakashi IroharaCA basic study on optimal span-size to minimize dead space and material handling costCJournal of the Logistics System JapanCVol.5CNo.2Cpp.13-25, (2005)

35.   Hiroaki FujikawaCYasuharu NomuraCTakashi IroharaCConcurrent determination of layout, aisle  and  AGV assignment to minimize both construction and AGV costCJournal of the Logistics System JapanCVol.5CNo.1Cpp.3-10C(2004)

36.   Hiroaki FujikawaCYutaka ShiraiCTakashi IroharaCA study on the department layout method considering column position and material handling cost concurrentlyCJournal of the Society of Plant Engineers JapanCVol.16CNo.2Cpp.5-11, (2004)

37.   Hiroaki FujikawaCRyouhei NukaCYutaka ShiraiCTakashi IroharaCA basic study on elevator position and number of elevators in multi-floor facility layout problemCJournal of the Society of Plant Engineers JapanCVol.16CNo.2Cpp.12-19, (2004)

38.   Takuya YamadaCTakashi IroharaCHiroaki FujikawaCDesign methodology for the facility layout problem to consider the aisle structure and intra-department material flowCJournal of Japan Industrial Management AssociationCVol.55CNo.3Cpp.111-120, (2004)

39.   Hirokazu HayashiCHiroaki FujikawaCYutaka ShiraiCTakashi IroharaCSimulated Annealing based heuristics to minimize the auxiliary machine area and pipe length between machinesC Transactions of the Japan Society of Mechanical Engineers(C)C Vol.69C No. 679C pp.796-804C (2003)

40.   Yo IshizukaCTakashi IroharaCHideaki YamashitaCStochastic Facility Layout ProblemsCJournal of Japan Industrial Management AssociationCVol.53CNo.5Cpp.363-367C (2002)

41.   Masanobu UesugiCTakashi IroharaC Kazuho YoshimotoCA Study on Vehicle Routing Scheduling Problem under Limited Number of BerthsCTransactions of the Japan Society of Mechanical Engineers(C)CVol.67CNo.662Cpp.3345-3350C(2001)

42.   Hiroyuki MuramatsuCKen MiyaharaC Takashi IroharaCKazuho YoshimotoCIntegrated approaches to solve cell formation problem dealing with machine duplicating and part subcontractingCTransactions of the Japan Society of Mechanical Engineers(C)CVol.67CNo.655Cpp.873-879C(2001)

43.   Hidero TaniguchiCToshihiko MurofushiCTakashi IroharaCKazuho YoshimotoCA Layout Technique of Three Dimensions for Unequal Area and Shape DepartmentsCTransactions of the Japan Society of Mechanical Engineers(C)CVol.65CNo.637Cpp.3869-3875C(1999)

44.   Kenichiro MatsuzakiC Takashi Irohara and Kazuho YoshimotoC Heuristic Algorithm to Solve the Multi-Floor Layout Problem with the consideration of Elevator UtilizationC Computers and Industrial EngineeringCVol.36CNo.2Cpp.487-502 C(1999)

45.   Weerapat SessomboonCKei WatanabeCTakashi IroharaCKazuho YoshimotoCA Study on Multi-objective Vehicle Routing Problem considering Customer Satisfaction with Due-timeiThe Creation of Pareto Optimal Solutions by Hybrid Genetic AlgorithmjCTransactions of the Japan Society of Mechanical Engineers(C)CVol.64CNo.619Cpp.1108-1115C(1998)

46.   Weerapat SessomboonCTetsuya WatanobeCTakashi IroharaCKazuho YoshimotoCAn Integrated Heuristic for Vehicle Routing Problem with Two-Stage Logistic System Considering Distribution Centers (A Case for Category-Freed Distribution)CTransactions of the Japan Society of Mechanical Engineers(C) CVol.64CNo.619Cpp.1100-1107C(1998)

47.   Weerapat SessomboonCMakoto SugiyamaCTakashi IroharaCKazuho Yoshimoto CA design technique of AGV flow path by considering machine layoutCTransactions of the Japan Society of Mechanical Engineers(C)CVol.64CNo.617Cpp.370-376C(1998)

48.   Weerapat SessomboonCHiroyuki MuramatsuCTakashi IroharaCKazuho YoshimotoCIntegrated Approach for solving Cell Formation and Layout Problems Using Genetic AlgorithmCTransactions of the Japan Society of Mechanical Engineers(C) CVol.64CNo.617Cpp.362-369C(1998)

49.   Takashi IroharaCShigeaki SuzukiCKazuho YoshimotoCVerification of the Layout Technique Applied to the Refinery and Petrochemical Plant(A Heuristic Algorithm to Solve the Large Size Facility Layout Problem to Treat the Unequal Size Departments)C Journal of Japan Industrial Management AssociationCVol.48CNo.5Cpp.239-246C(1997)

50.   Weerapat SessomboonCToshihiko MurofushiCTakashi IroharaCKazuho Yoshimoto CA Layout Technique for Unequal Area and Shape Departments Considering Main AisleCTransactions of the Japan Society of Mechanical Engineers(C)CVol.63CNo.615Cpp.4057-4064C(1997)

51.   Weerapat SessomboonCKouji NakanoCTakashi IroharaCKazuho YoshimotoCA technique to solve dynamic layout problem with fixed and rectangular departmentsCTransactions of the Japan Society of Mechanical Engineers(C)CVol.63CNo.615Cpp.4050-4055C(1997)

52.   Takashi IroharaCShigeaki SuzukiCKazuho YoshimotoCA Heuristic Algorithm to Solve the Large Size Facility Layout Problem to Treat the Unequal Size DepartmentsCJournal of Japan Industrial Management AssociationCVol.48C"No.2C3"Cpp.140-149C(1997)

53.   Takashi IroharaCHiroyuki YamamotoCAya SaitohCKazuho YoshimotoCDevelopment of a Layout Technique for Unequal Department Shapes and AreasCTransactions of the Japan Society of Mechanical Engineers(C)CVol.60CNo.578Cpp.3566-3571C(1994)

54.   Takashi IroharaCWen-Hung WuCKazuho YoshimotoCA New Space Filling Curve for the Layout Problem which Treat Unequal Departments Shapes and AreasCTransactions of the Japan Society of Mechanical Engineers(C)CVol.60CNo.577Cpp.3226-3232C(1994)