Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11898995 | Method for evaluating crack in metal member and method for evaluating fatigue damage in metal member | Yuichi Hirakawa, Hiroaki Yoshida, Masahiko Yamashita, Takeo Tokumoto | 2024-02-13 |
| 11378526 | Faulted condition determination device and faulted condition determination method | Nobuhiko SAITO, Nobuyoshi Komai, Yuichi Hirakawa, Kota Sawada, Kazuhiro Kimura +1 more | 2022-07-05 |
| 10590508 | Method for manufacturing shaft body | Yuichi Hirakawa, Shin Nishimoto, Hiroyuki Endo | 2020-03-17 |
| 9689789 | Damage evaluation method and maintenance evaluation index decision method | Nobuyoshi Komai, Yuichi Hirakawa, Hiroyuki Ohyama, Takeshi Miyazawa, Hiroaki Yoshida | 2017-06-27 |
| 6661470 | Moving picture display method and apparatus | Hidehiko Kawakami, Hideaki Kawamura, Kazuo Tomida, Yoshio Watanabe, Masaki Tokoi | 2003-12-09 |