Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877636 | Chocolate and chocolate additive | Tetsuo Koyano, Nobuo Sagi, Tsugio Izumi, Setsuya Fujita, Tadahiko Murata +1 more | 1989-10-31 |
| 4873579 | Image information reading apparatus | Tooru Kubota | 1989-10-10 |