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Associate Professor, National Institute of Technology (KOSEN), Nara College

Name
Ph.D. Hiroshi Iwata
Address
22 Yata, Yamato-Koriyama, Nara 639-1080, Japan
Email

Education

Jobs

Research

Journal paper

  1. Hiroshi Iwata, Satoshi Ohtake and Hideo Fujiwara: ``A Method of Path Mapping from RTL to Gate Level and Its Application to False Path Identification,'' IEICE Transactions on Information and Systems, Vol. E93-D, No. 7, pp. 1857-1865, July 2010.
  2. Hiroshi Iwata, Nanami Katayama and Ken'ichi Yamaguchi: ``Formal Verification-Based Redundancy Identification of Transition Faults with Broadside Scan Tests,'' IEICE Transactions on Information and Systems Vol.E100.D, No.6, pp.1182-1189, Jun. (2017)
  3. Takashi Koga, Ken'ichi Yamaguchi, Hiroshi Iwata, and Ikusaburo Kurimoto: ``Kriging Interpolation Evaluation of Vapor Pressure Deficit in Plant Factory with Solar Light,'' SICE Journal of Control, Measurement, and System Integration, Vol.13, No.3, pp.131-137, May 2020.
  4. Hiroshi Iwata, Kokoro Yamasaki, and Ken'ichi Yamaguchi: ``Verification and Validation with Prototype Chip Implemented with Layout Level Scan C-Elements,'' Journal of Electronic Testing, Vol.40, No.4, pp.497-508, https://doi.org/10.1007/s10836-024-06128-4, Aug. 2024.
  5. Renta Noguchi, Asahi Sakuma, Yuko Kakazu, Hiroshi Iwata, Yosuke Asano, Yuichi Itoh, Achyut Sapkota, Atsushi Shiraki and Ikusaburo Kurimoto: ``Transpiration model for plant canopy using ioT systems in the microenvironment,'' SICE Journal of Control, Measurement, and System Integration, Vol.18, No.1, 2485458, DOI:10.1080/18824889.2025.2485458, Apr. 2025.
  6. Hiroaki Shimaoka, Hiroshi Iwata and Ken’ichi Yamaguchi, ``Verification and validation of standard cell scan C-element in prototype chip'', IPSJ Transactions on System LSI Design Methodology, Vol.19, pp.2-11, DOI:10.2197/ipsjtsldm.19.2, Feb. 2026.

International Conference

  1. Hiroshi Iwata, Satoshi Ohtake and Hideo Fujiwara: ``An approach to RTL-GL path mapping based on functional equivalence,'' 9th IEEE Workshop on RTL and High Level Testing (WRTLT'08), pp. 63-68, 2008.
  2. Michiko Inoue, Akira Taketani, Tomokazu Yoneda, Hiroshi Iwata and Hideo Fujiwara: ``Optimizing Delay Quality with a Limited Size of Test Set,'' Proc. IEEE International Workshop on Reliability Aware System Design and Test, pp.46-51, Jan. 2010.
  3. Hiroshi Iwata, Satoshi Ohtake and Hideo Fujiwara: ``Enabling False Path Identification from RTL for Reducing Design and Test Futileness,'' The 5th IEEE International Symposium on Electronic Design, Test & Applications (DELTA 2010), pp.20-25, Jan. 2010.
  4. Satoshi Ohtake, Hiroshi Iwata and Hideo Fujiwara: ``A synthesis method to propagate false path information from RTL to gate level,'' The IEEE International Symposium on Design and Diagnostics of Electronic Circuits and Systems 2010, pp.197-200, Apr. 2010.
  5. Michiko Inoue, Akira Taketani, Tomokazu Yoneda, Hiroshi Iwata and Hideo Fujiwara: ``Test Pattern Selection to Optimize Delay Test Quality with a Limited Size of Test Set,'' 15th IEEE European Test Symposium (ETS'10), pp.260, May. 2010.
  6. Hiroshi Iwata, Satoshi Ohtake, Michiko Inoue and Hideo Fujiwara: ``Bipartite Full Scan Design: A DFT Method for Asynchronous Circuits,'' IEEE 19th Asian Test Symposium (ATS'10), pp.206-211, Dec. 2010.
  7. Hiroshi Iwata, Sayaka Satonaka and Ken'ichi Yamaguchi: ``An Efficient Test Pattern Generator -Mersenne Twister- ,'' The 18th Workshop on Synthesis And System Integration of Mixed Information Technologies, R1-12, pp.62-67, Oct. 2013.
  8. Ryo Ogawa, Hiroshi Iwata and Ken'ichi Yamaguchi: ``Threshold Power-Aware Test Pattern Ordering for Deterministic Circular Self Test Path,'' 14th IEEE Workshop on RTL and High Level Testing, III.5.S, pp.1-4, Nov. 2013.
  9. Shin'ya Ueoka, Hiroshi Iwata and Ken'ichi Yamaguchi: ``Tree-focused Graph Bipartition for Asynchronous L1L2* Scan Design,'' 14th IEEE Workshop on RTL and High Level Testing, IV.3.F, pp.1-6, Nov. 2013.
  10. Yuko Kakazu, Hiroshi Iwata, Ikusaburo Kurimoto and Daichi Moriuchi: ``Development of the Handy Type LIF System,'' Proceedings of the SICE Annual Conference 2018, ThCPo03.4, pp.1267-1268, Sep. 2018.
  11. Hiroshi Iwata and Ikusaburo Kurimoto: ``Active Sensing Platform for Mathematical Analysis in Plant Factory with Solar Light,'' Proceedings of the SICE Annual Conference 2018, ThCPo03.6, pp.1273-1275, Sep. 2018.
  12. Takashi Koga, Ken'ichi Yamaguchi, Hiroshi Iwata, and Ikusaburo Kurimoto: ``Kriging Interpolation for Vapor Pressure Deficit in Plant Factory with Solar Light,'' Proceedings of the SICE Annual Conference 2019, pp.1000-1003, Sep. 2019.
  13. Chihiro KAGEYAMA, China SASAKI, Hiroshi IWATA, Yosuke ASANO, Yuichi ITOH, and Ikusaburo KURIMOTO: ``Construction of Spatial H2O/CO2 Measurement IoT System for Sunlight Type Plant Factory,'' Proceedings of the SICE Annual Conference 2020, pp.1921-1923, Sep. 2020.
  14. Haruki Chaen, Ken'ichi Yamaguchi and Hiroshi Iwata: ``A Proposal of Identification Method for Second-Generation Redundancy Fault,'' 21st IEEE Workshop on RTL and High Level Testing, TS1-2, pp.1-2, Nov. 2020.
  15. Yuta Shintani, Ken'ichi Yamaguchi and Hiroshi Iwata: ``An Implementation of Functional Speed Oriented Transistor-Level Scan C-element,'' 21st IEEE Workshop on RTL and High Level Testing, TS3-2, pp.1-5, Nov. 2020.
  16. Takuma Nagao, Ken'ichi Yamaguchi and Hiroshi Iwata: ``Test Plan For Detecting Mersenne Twister Faults In BIST,'' The 23rd Workshop on Synthesis And System Integration of Mixed Information Technologies, R3-5, pp.148-149, Mar. 2021.
  17. Chihiro KAGEYAMA, China SASAKI, Hiroshi IWATA, Yosuke ASANO, Yuichi ITOH, Achyut Sapkota, and Ikusaburo KURIMOTO: ``Measurement of Spatial H2O / CO2 Concentration Distribution Around Tomato Plants Using IoT System in Sunlight Type Plant Factory,'' Proceedings of the SICE Annual Conference 2021, pp.937-939, Sep. 2021.
  18. Renta Noguchi, Hiroshi Iwata, Yosuke Asano, Yuichi Itoh, Achyut Sapkota, and Ikusaburo Kurimoto: ``Spatial Data Visualization System in a Sunlight Type Plant Factory,'' Proceedings of the SICE Annual Conference 2022, pp.967-971, Sep. 2022.
  19. Rikuma Tsujimoto, Hiroshi Iwata, and Ken'ichi Yamaguchi: ``Prediction of Vapor Pressure Deficit Value by Spatio-Temporal Kriging in Plant Factory with Solar Light,'' Proceedings of the SICE Annual Conference 2022, pp.953-959, Sep. 2022.
  20. Kokoro Yamasaki, Hiroshi Iwata and Ken'ichi Yamaguchi: ``An Implementation of Self-Testable Layout-Level Scan C-element,'' The 24th Workshop on Synthesis And System Integration of Mixed Information Technologies, A-9, pp.48-53, Oct. 2022.
  21. Yu ETO, Hiroshi IWATA, and Ken'ich YAMAGUCHI: ``Establishment scan design flow in asynchronous circuits,'' International Workshop on Effective Engineering Education(IWEEE), P815, Feb. 2023.
  22. Renta Noguchi, Asahi Sakuma, Yuko Kakazu, Hiroshi Iwata, Yosuke Asano, Yuichi Itoh, Achyut Sapkota, Atsushi Shiraki, and Ikusaburo Kurimoto: ``Construction of Plant Weight Measurement IoT System and Estimation of Leaf Area in the Microenvironment,'' Proceedings of the SICE Annual Conference 2023, pp.1162-1167, Sep. 2023.
  23. Akihiro Saeki, Sho Tokuda, Hiroshi Iwata, and Ken'ichi Yamaguchi: ``Multiple Sensing IoT System for VPD Distribution Analysis in Plant Factory with Solar Light,'' Proceedings of the 12th IIAE International Conference on Industrial Application Engineering 2024, PS2-6, pp.152--157, Mar. 2024.
  24. Sho Tokuda, Akihiro Saeki, Ken'ichi Yamaguchi, and Hiroshi Iwata: ``Development of Lifting Type CO2 Measuring System for Plant Growth Analysis,'' Proceedings of the 12th IIAE International Conference on Industrial Application Engineering 2024, PS2-4, pp.142--146, Mar. 2024.
  25. Renta Noguchi, Asahi Sakuma, Yuko Kakazu, Hiroshi Iwata, Yosuke Asano, Yuichi Itoh, Achyut Sapkota, Atsushi Shiraki, and Ikusaburo Kurimoto: ``Relationship between VPD, Transpiration Rate and Vapor Conductance for Plants of Different Growth Levels,'' Proceedings of the SICE Annual Conference 2024, pp.1327--1332, Aug. 2024.
  26. Hiroshi Iwata, Keiichi Matsuo, Shota Sawada, and Ken'ichi Yamaguchi: ``Development of Sensor Node to Identify Destructive Animals in Fields Using Infrared Pyroelectric Sensor,'' Proceedings of the 11th IIAE International Conference on Intelligent Systems and Image Processing 2024, PS1, pp.316--320, Sep. 2024.
  27. Hiroaki Shimaoka, Hiroshi Iwata, and Kenichi Yamaguchi: ``An Implementation of Standard Cell C-element and Scan C-element,'' Proceedings of the 13th IIAE International Conference on Industrial Application Engineering 2025, PS1-5, pp.27--33, Mar. 2025.
  28. Saki Sugiyama, Ken'ichi Yamaguchi, and Hiroshi Iwata: ``Consideration for the Relationship between LSI Testability and Centrality Measures in Network Analysis,'' Proceedings of the 13th IIAE International Conference on Industrial Application Engineering 2025, PS1-3, pp.14--21, Mar. 2025.
  29. Shota Sawada, Ayato Yoshida, Hiroshi Iwata, and Kenichi Yamaguchi: ``Proposal for an Animal Position and Behavior Detection System using Infrared Pyroelectric Sensors in an Animal Damage Countermeasure System,'' Proceedings of the 13th IIAE International Conference on Industrial Application Engineering 2025, PS1-2, pp.9--13, Mar. 2025.
  30. Hiroaki Shimaoka, Hiroshi Iwata, and Ken’ichi Yamaguchi, ``A simple full scan design using scan C flip-flop for asynchronous circuit'', in Proceedings of The Workshop on Emerging Test Technologies (ETT) embedded in the 34th Asian Test Symposium (ATS2025), ETT2-2, pp.1--6, Dec. 2025.
  31. Saki Sugiyama, Hiroshi Iwata, and Ken’ichi Yamaguchi, ``RTL Testability for RTL Datapath Based on Network Centrality '', in Proceedings of The Workshop on Emerging Test Technologies (ETT) embedded in the 34th Asian Test Symposium (ATS2025), ETT1-3, pp.1--6, Dec. 2025.
  32. Shota Sawada, Hiroshi Iwata, and Kenichi Yamaguchi: ``Tracking Animal Movement Paths Using Multi-Node Infrared Pyroelectric Sensor Network for Low-Cost Wildlife Damage Prevention,'' Proceedings of the 14th IIAE International Conference on Industrial Application Engineering 2026, GS4-1, pp.197-203, Mar. 2026.
  33. Tatsuro Taniyama, Hinato Kuwahata, Kyosuke Nishizawa, Shanon Yamaguchi, Akihiro Shimaoka, Hiroshi Iwata, Kenichi Yamaguchi, and Yuki Ashihara: ``Contour Line Leveling for Beginners: An Affordable System for Visualizing Elevation Differences in Rice Fields,'' Proceedings of the 14th IIAE International Conference on Industrial Application Engineering 2026, PS5, pp.27-34, Mar. 2026.
  34. Kyosuke Nishizawa, Kentaro Inoue, Saki Sugiyama, Tatsuro Taniyama, Shanon Yamaguchi, Hiroshi Iwata, and Kenichi Yamaguchi: ``Implementation and Evaluation of a Hybrid RAG-based AI Avatar onRaspberry Pi 5 with External GPU,'' Proceedings of the 14th IIAE International Conference on Industrial Application Engineering 2026, PS4, pp.20-26, Mar. 2026.
  35. Kentaro Inoue, Hiroshi Iwata, and Kenichi Yamaguchi: ``A Comparative Study of Monolithic and Chiplet CPU Architectures: Performance and Yield Perspectives,'' Proceedings of the 14th IIAE International Conference on Industrial Application Engineering 2026, PS3, pp.14-19, Mar. 2026.
  36. Hiroshi Iwata, Shota Sawada, and Kenichi Yamaguchi: ``A PCB Design for Infrared Pyroelectric Sensor Node for Destructive Animals Damage Prevention,'' Proceedings of the 14th IIAE International Conference on Industrial Application Engineering 2026, PS2, pp.9-13, Mar. 2026.

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