Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814820 | Electrostatic latent image developing apparatus | Hideaki Hirahara, Tatsuo Takabe, Hiromitsu Saijo, Shinya Matsuda, Masaru Komura | 1989-03-21 |
| D300009 | Dial gauge | Seigo Takahashi, Toshiyuki Matsumoto | 1989-02-28 |