Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7083867 | Peropyrene compound, organic electroluminescent element and organic electroluminescent display | Wataru Sotoyama, Tasuku Sato, Hiroyuki Sato, Azuma Matsuura, Norio Sawatari | 2006-08-01 |
| 6805977 | Condensed eight-ring aromatic compound, and organic EL element and organic EL display using the same | Wataru Sotoyama, Hiroyuki Sato, Azuma Matsuura | 2004-10-19 |
| 6803126 | Organic EL element and organic EL display | Wataru Sotoyama, Hiroyuki Sato, Azuma Matsuura | 2004-10-12 |
| 6783872 | Dinaphtopyrene compound, and organic EL element and organic EL display using the same | Wataru Sotoyama, Hiroyuki Sato, Azuma Matsuura | 2004-08-31 |
| 5943112 | Liquid crystal display device and its fabricating method | Akihiro Mochizuki, Tetsuya Makino | 1999-08-24 |
| 5698320 | Image forming device | Katsuji Ebisu, Norio Sawatari, Takahiro Kashikawa, Tomoaki Tanaka | 1997-12-16 |
| 5587774 | Cleanerless electrographic imaging device | Akira Nagahara, Sachio Sasaki, Mitsuhito Furukawa, Tsuneo Watanuki, Norio Sawatari +1 more | 1996-12-24 |
| 4948427 | Process for preparing ink for ink jet printer | Yasuo Yamagishi, Norio Sawatari, Katsuji Ebisu | 1990-08-14 |
| 4849317 | Magnetic brush developer for electrophotography | Norio Sawatari, Katsuji Ebisu, Tsuneo Watanuki, Yoshimichi Katagiri, Takahiro Kashikawa | 1989-07-18 |
| 4699863 | Electrophotographic flash fixation process employing toner having improved light absorption properties and toner therefor | Norio Sawatari, Yasuo Yamagishi, Katsuji Ebisu, Yoshimichi Katagiri | 1987-10-13 |
| 4555466 | Developer comprising a carrier coated with Fe.sub.3 O.sub.4 dispersed in a butadiene polymer, and a toner | Seiji Okada, Isao Watanabe, Norio Sawatari, Kazumasa Saito, Hirofumi Okuyama | 1985-11-26 |
| 4547309 | Storage-type liquid crystal composition | Akihiro Mochizuki, Kasumi Ikegami, Hirofumi Okuyama | 1985-10-15 |
| 4522909 | Process for preparing electrostatic developer | Seiji Okada, Kiyohide Muramatsu, Teruo Yagishita, Hirofumi Okuyama | 1985-06-11 |
| 4513075 | Developer materials for electrostatic images | Seiji Okada, Kiyohide Muramatsu, Teruo Yagishita, Hirofumi Okuyama | 1985-04-23 |
| 4455361 | Process for preparing developer materials for electrostatic images | Seiji Okada, Kiyohide Muramatsu, Teruo Yagishita, Hirofumi Okuyama | 1984-06-19 |
| 4454213 | Organic photosensitive material for electrophotography | Teruo Yagishita, Seiji Okada, Hirofumi Okuyama | 1984-06-12 |
| 4362801 | Copper phthalocyanine photosensitive material for electrophotography with binder and an oxadiazole | Teruo Yagishita, Seiji Okada, Hirofumi Okuyama | 1982-12-07 |
| 4352877 | Electrophotographic developing process using flash fixation and toner therefor | Seiji Okada, Kiyohide Muramatsu, Teruo Yagishita, Hirohumi Okuyama | 1982-10-05 |