Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4606796 | Colored, anodized aluminum-base article and method of preparing same | Yasuhiro Hanazima, Norihiro Ogawa | 1986-08-19 |
| 4341372 | Automatically meshing sheet winch | — | 1982-07-27 |
| 4333362 | Speed-shift apparatus for sheet winch | Norihiro Ogawa | 1982-06-08 |