Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731090 | Method and system for numerical control of machine tool | Takahisa Tanaka | 2004-05-04 |
| D428392 | Heat sink | — | 2000-07-18 |
| 4746586 | Separators for alkaline dry batteries | Shoichi Murakami | 1988-05-24 |
| 4385231 | Unlocking system for use with cards | Hiroshi Egashira, Shigeru Kasugai, Masaharu Nakamura | 1983-05-24 |