Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432229 | Method and apparatus for monitoring work heating temperature in flame hardening | Katsuhiko Asai | 2002-08-13 |
| 4997324 | Spindle structure for machine tool | Takeo Maruyama | 1991-03-05 |
| 4560231 | Electrical connector | — | 1985-12-24 |