Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7002600 | Image cut-away/display system | Hiroshi Okada, Takeshi Takatsuka | 2006-02-21 |
| 6999005 | Image compensation apparatus | Hiroshi Okada | 2006-02-14 |
| 5639702 | Yellow colored glasses and methods of making same | Katuhiro Imashita | 1997-06-17 |
| 4676379 | Apparatus for sorting out defective plastic crates for bottles | Akira Shirakura, Ichiro Yonezawa | 1987-06-30 |
| 4370385 | Masking of abrasion injury on glass articles | Akiteru Yoshida, Akiro Yokoo, Minoru Takamizawa, Yoshio Inoue, Hiroshi Yoshioka | 1983-01-25 |
| 4273834 | Masking of abrasion injury on glass articles | Yu Horie, Minoru Takamizawa, Yoshio Inoue, Hiroshi Yoshioka | 1981-06-16 |