Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882246 | Method for supplementing replenisher for developer in automatic developing machine for presensitized plate | Tomoaki Takekoshi, Kenji Kunichika | 1989-11-21 |
| 4880724 | Method for manufacture of lithographic printing plate with disposable developer with surfactant | Tadao Toyama, Kenji Kunichika | 1989-11-14 |
| 4875067 | Processing apparatus | Hisao Kanzaki | 1989-10-17 |
| 4841320 | Developing device for photosensitive material | Tomoaki Takekoshi, Kenji Kunichika | 1989-06-20 |
| 4837131 | Developing method for photosensitive material | Kesanao Kobayashi, Tadao Toyama | 1989-06-06 |