Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106536 | .alpha.-type titanyl phthalocyanine composition, method for production thereof, and electrophotographic sensitive material using same | Eiichi Miyamoto, Tooru Nakazawa, Tatsuo Maeda | 1992-04-21 |
| 4971877 | .alpha.-type titanyl phthalocyanine composition, method for production thereof, and electrophotographic sensitive material using same | Eiichi Miyamoto, Tooru Nakazawa, Tatsuo Maeda | 1990-11-20 |
| 4877702 | Electrophotographic sensitive material | Eiichi Miyamoto, Tooru Nakazawa | 1989-10-31 |