Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198324 | Method for making lithographic printing plate | Shigeru Iguchi, Kiyoshi Futaki, Koichi Torizuka | 1993-03-30 |
| 4821057 | Process for image transfer and equipment therefor | Yasuo Tsubai | 1989-04-11 |
| 4362811 | Processing solution composition for silver complex diffusion transfer process | Shigeru Iguchi | 1982-12-07 |
| 4302526 | Materials for silver complex diffusion transfer process | Isao Kohmura, Tamotsu Iwata | 1981-11-24 |