Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6062116 | Method of manufacturing hollow shaft and mandrel for holding cylindrical hollow shaft blank | Takeshi Morioka, Taizou Kitamura | 2000-05-16 |
| 4983064 | Metal ceramic fitting assembly | Yasunobu Kawaguchi, Toshiaki Muto | 1991-01-08 |
| 4747722 | Metal-ceramic fitting assembly | Yasunobu Kawaguchi, Toshiaki Muto | 1988-05-31 |