Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5718774 | Method of producing bevel gear | Tetuo Tukamoto, Kiyosi Okawachi, Mitugu Kojima, Shinji Fushimi, Takashi Matsumoto | 1998-02-17 |
| 5516376 | Method of, and apparatus for manufacturing a gear with a central through hole | Tetsuo Tsukamoto, Kiyoshi Ohkawachi, Shinji Fushimi, Takashi Matsumoto | 1996-05-14 |