Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6146243 | Method and apparatus for finishing works magnetically by generating alternating magnetic fields | — | 2000-11-14 |
| D390577 | Surface finishing machine | — | 1998-02-10 |
| 5611725 | Magnetic barrell finishing machine | — | 1997-03-18 |
| 5419735 | Magnetic barrel finishing machine | Kazuhiro Kunugi | 1995-05-30 |
| D318674 | Faceter | — | 1991-07-30 |
| D309742 | Two spindle faceter | — | 1990-08-07 |
| 4748775 | Work holding device in work grinding and polishing machine | — | 1988-06-07 |
| 4667446 | Work holding device in work grinding and polishing machine | — | 1987-05-26 |
| 4459780 | Cabochon copy grinding apparatus | — | 1984-07-17 |
| 4263753 | Interchangeable faceting apparatus with reversible dual indexing mechanism | — | 1981-04-28 |