Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6065910 | Gear shaper cutting method and apparatus | Tsuneo Egawa, Masakatsu Fujita, Hisashi Kubokawa, Akihide Kakutani | 2000-05-23 |
| 5947663 | Horizontal hobbing machine | Tsuneo Egawa, Yozo Nakamura, Toshikazu Kominami | 1999-09-07 |
| 4695209 | Helical guide apparatus usable for a gear shaper | Takayo Noguchi, Yoichi Togawa, Tsuneo Nishimoto, Tadashi Rokkaku, Seigo Nakai +2 more | 1987-09-22 |