Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304951 | Microfilm reader printer | — | 1989-12-05 |
| D302560 | Microfilm reader printer | — | 1989-08-01 |
| 4817410 | Roll for mill | Takashi Yatsuzuka, Tetsuya Ohba, Kouji Tanabe, Tatsunobu Kobayashi, Kouki Katou | 1989-04-04 |