Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358813 | Crystals of chlorogallium phthalocyanine and method of preparing them | Masakazu Iijima, Katsumi Nukada, Katsumi Daimon, Akira Imai, Toru Ishii +2 more | 1994-10-25 |
| 5338636 | Dichlorotin phthalocyanine crystal electrophotographic photoreceptor using the same, and coating composition for electrophotographic photoreceptor | Katsumi Nukada, Akira Imai, Katsumi Daimon, Masakazu Iijima, Yasuo Sakaguchi +1 more | 1994-08-16 |
| 5308728 | Dichlorotin phthalocyanine crystal, process for producing the same, and electrophotographic photoreceptor using the same | Akira Imai, Katsumi Nukada, Katsumi Daimon, Masakazu Iijima, Toru Ishii +1 more | 1994-05-03 |
| 5302479 | Crystals of hydroxygallium phthalocyanine, method of preparing the crystals, photoconductive material comprising the crystals, and electrophotographic photoreceptor comprising the material | Katsumi Daimon, Katsumi Nukada, Akira Imai, Masakazu Iijima, Kazuo Yamasaki +2 more | 1994-04-12 |
| 5283145 | Crystals of dichlorotin phthalocyanine, method of preparing the crystal, and electrophotographic photoreceptor comprising the crystal | Katsumi Nukada, Akira Imai, Yasuo Sakaguchi, Katsumi Daimon, Masakazu Iijima +1 more | 1994-02-01 |