Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5390997 | End face sealing assembly device for track shoe coupling | Hiroyuki Nakaishi | 1995-02-21 |
| 5105180 | Combination light unit and battery monitor device | Masahiro Yamada | 1992-04-14 |
| 4808641 | Concrete admixture | Toru Takeuchi | 1989-02-28 |
| 4360764 | Flash unit having plural flashlamps | — | 1982-11-23 |