Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642970 | Method of producing a curved groove in a workpiece | Yukio Yamaguchi, Masaaki Enya, Takahiro Yamazaki | 1997-07-01 |
| 5369569 | System for restoring controlled unit from abnormal condition | Noboru Maeda, Haruo Murakami | 1994-11-29 |
| 4531980 | Corrosion resisting copper alloy | Kazuhiro Ohta, Yoshiharu Hasegawa, Takao Yoneyama | 1985-07-30 |
| 4317484 | Heat exchanger core | Zenichi Tanabe, Toshiyasu Fukui, Hiroshi Ikeda, Taketoshi Sugiura | 1982-03-02 |
| 4272877 | Method of manufacturing mechanical parts from metal scrap | Keizo Takeuchi, Yoshio Iwai, Tadashi Yamanaka | 1981-06-16 |