Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616910 | Optical reading apparatus | Takashi Kawashima, Akira Tamagawa | 1997-04-01 |
| 5614705 | Device for optically reading out information by use of laser beam | Shinji Nagano, Asako Kashima, Teruaki Sugata, Hidenobu Kubo, Tomomi Mashiko | 1997-03-25 |