Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881833 | Drive mechanism for a small-sized printer | Satoshi Watanabe, Hideaki Miyakawa | 1989-11-21 |
| 4810889 | Fine circuit pattern drawing apparatus and method | Takao Yokomatsu, Hironori Yamamoto | 1989-03-07 |