Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807040 | Signal processing filter for an image projection device utilizing an oil film | Tatsuhiko Kondo, Kenzo Seo, Shinetsu Itoh, Kiyotaka Okada | 1989-02-21 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807040 | Signal processing filter for an image projection device utilizing an oil film | Tatsuhiko Kondo, Kenzo Seo, Shinetsu Itoh, Kiyotaka Okada | 1989-02-21 |