Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825241 | Electrostatic latent image developing apparatus | Hiroshi Ikeda, Masamichi Hayashi, Shinya Matsuda | 1989-04-25 |
| 4814820 | Electrostatic latent image developing apparatus | Hideaki Hirahara, Tatsuo Takabe, Kazuya Ishida, Shinya Matsuda, Masaru Komura | 1989-03-21 |