Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599289 | Pressure-fixable encapsulated toner | Tetsuo Hasegawa, Ichiro Osaki | 1986-07-08 |
| 4568625 | Developer comprising a modified silicone oil and development process for electrophotography | Masaki Uchiyama, Yasuo Mitsuhashi, Kazunori Murakawa, Masanori Takenouchi, Eiichi Imai | 1986-02-04 |
| 4555467 | Developer having improved flow characteristics and a process for producing same | Tetsuo Hasegawa | 1985-11-26 |
| 4533616 | Developer for electrophotography of toner and microencapsulated additive | Ichiro Ohsaki, Tetsuo Hasegawa | 1985-08-06 |