Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885596 | Recording apparatus | Jiro Egawa, Toshihiro Kasai, Moriya Nagasawa, Naoaki Ide, Hironobu Machida | 1989-12-05 |
| 4876560 | Recording apparatus | Jiro Egawa, Toshihiro Kasai, Moriya Nagasawa, Naoaki Ide, Hironobu Machida | 1989-10-24 |
| 4836135 | Developing apparatus having one-component developing agent | Mitsuaki Kohyama, Osamu Takagi | 1989-06-06 |
| 4819019 | Recording apparatus | Jiro Egawa, Toshihiro Kasai, Moriya Nagasawa, Naoaki Ide, Hironobu Machida | 1989-04-04 |