Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7249941 | Device for manufacturing plastic lens | — | 2007-07-31 |
| 7074119 | Polishing jig, conveyor tray, conveying method and conveying device | Makoto Miyazawa, Yoshio Hori | 2006-07-11 |
| 5917520 | Ink-jet printing apparatus | Akitomo Koujiyama | 1999-06-29 |
| 5295232 | Vector-sort drafting method for an automatic drafting machine | — | 1994-03-15 |