Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4626838 | Filled shaped generating apparatus | Shigeo Tsujioka, Seiichi Kanema, Eiji Okamura, Mitsuo Ooyama, Toshihisa Aoshima +1 more | 1986-12-02 |
| 4580236 | Graphic display apparatus with a vector generating circuit | Shigeo Tsujioka, Eiji Okamura, Mitsuo Ooyama, Kimiaki Ando, Seiichi Kanema +2 more | 1986-04-01 |