Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878084 | Method and device for feeding sheet in image recording apparatus | Kiyoharu Hayakawa, Yumio Matsumoto, Akira Sago, Osamu Tagaki | 1989-10-31 |
| 4875073 | Color picture image recording apparatus capable of adjusting color tone in the copy sheet | Yoichi Horaguchi, Kenji Sakakibara | 1989-10-17 |
| 4870451 | Image recording apparatus | Kiyoharu Hayakawa, Yumio Matsumoto, Akira Sago, Osamu Takagi | 1989-09-26 |
| 4866473 | Thermal fixing device for use in recording apparatus | Kiyoharu Hayakawa, Yumio Matsumoto, Akira Sago, Osamu Takagi | 1989-09-12 |
| 4864356 | Exposure device for image recording apparatus | Yuji Asano, Shunichi Higashiyama, Kiyoharu Hayakawa, Yumio Matsumoto, Akira Sago +3 more | 1989-09-05 |
| 4847661 | Image recording apparatus using microcapsule carrying sheet and separate developer sheet | Shunichi Higashiyama | 1989-07-11 |
| 4829340 | Picture forming apparatus | Takemi Yamamoto | 1989-05-09 |
| 4806982 | Imaging device | Takemi Yamamoto, Kenji Sakakibara | 1989-02-21 |