Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11555233 | Thick steel plate for structural pipes or tubes, method of producing thick steel plate for structural pipes or tubes, and structural pipes and tubes | Junji Shimamura, Nobuyuki Ishikawa, Shigeru Endo | 2023-01-17 |
| 11001905 | Steel plate for structural pipes or tubes, method of producing steel plate for structural pipes or tubes, and structural pipes and tubes | Yoshiaki Ota, Shinichi Kakihara, Nobuyuki Ishikawa | 2021-05-11 |
| 10954576 | High-strength steel, method for manufacturing high-strength steel, steel pipe, and method for manufacturing steel pipe | Junji Shimamura, Nobuyuki Ishikawa, Shigeru Endo | 2021-03-23 |
| 10767250 | Thick steel plate for structural pipes or tubes, method of producing thick steel plate for structural pipes or tubes, and structural pipes and tubes | Junji Shimamura, Nobuyuki Ishikawa, Shigeru Endo | 2020-09-08 |
| 10570477 | High-strength steel, method for manufacturing high-strength steel, steel pipe, and method for manufacturing steel pipe | Junji Shimamura, Nobuyuki Ishikawa, Shigeru Endo | 2020-02-25 |
| 10544478 | High-strength, high-toughness steel plate, and method for producing the same | Hideyuki Kimura, Nobuyuki Ishikawa, Shinichi Kakihara, Ryo Nagao | 2020-01-28 |
| 7256604 | Semiconductor device | Hiroaki Segawa, Masanori Hirofuji | 2007-08-14 |