Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812667 | Past record correcting/reading apparatus | Kazuo Kobayashi, Satoshi Fukuda | 1989-03-14 |
| 4676596 | Optical device and document reader using the same | Makoto Kato | 1987-06-30 |