Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804834 | Photosensor having photosensitive part formed of purple membrane | Tatsuo Katsura, Tsukasa Sakai, Keishiro Tsuda | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804834 | Photosensor having photosensitive part formed of purple membrane | Tatsuo Katsura, Tsukasa Sakai, Keishiro Tsuda | 1989-02-14 |