Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6531049 | Method of removing Ti film and apparatus | Akio Kariya, Takumi HAMAJIMA, Satoshi Morimoto, Toshiaki Ishimaru | 2003-03-11 |
| 6416262 | Gear shaping method and device and spiral bevel gear cutter | Toshiaki Ishimaru, Youzou Nakamura, Tsuneo Egawa | 2002-07-09 |
| 6065910 | Gear shaper cutting method and apparatus | Tsuneo Egawa, Masakatsu Fujita, Hisashi Kubokawa, Yoshiharu Tonohara | 2000-05-23 |