Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525811 | Organic quantum semiconductor and quantum semiconductor device | Kikukazu Sakurai | 1996-06-11 |
| 5427879 | electrophotographic photoreceptors | Naoyuki Matsui, Tomoko Noguchi, Tomoyuki Yoshii | 1995-06-27 |
| 5213929 | Titanyl phthaloycyanine crystal, method of manufacture thereof and its use for electrophotographic photosensitive material | Yoshikazu Mimura, Naoyuki Matsui, Tomohisa Gotoh, Mitsuo Usuba | 1993-05-25 |
| 5187036 | Electrophotographic photosensitive material | Naoyuki Matsui | 1993-02-16 |
| 4882427 | Titanium phthalocyanine optical semiconductor material and electrophotographic plate using same | Toshio Enokida | 1989-11-21 |
| 4507374 | Electrophotographic recording medium containing .tau. and .eta. metal-free phthalocyanine | Atsushi Kakuta, Hiroyuki Oka, Shigeo Suzuki, Kotaro Araya, Yasuki Mori +3 more | 1985-03-26 |