Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7152968 | Image formation method | Mamoru Soga, Hidekazu Arase, Masaichiro Tatekawa, Keishi Taniguchi, Tsutomu Matsuda +1 more | 2006-12-26 |
| 6929686 | Ink composition for inkjet recording | Mamoru Soga, Hidekazu Arase, Masaichiro Tatekawa, Keishi Taniguchi, Tsutomu Matsuda +1 more | 2005-08-16 |
| 6859634 | Toner refilling device and developing device using the same for an image forming apparatus | Fumihito Itoh, Shunji Katoh, Hirosato Amano, Kunio Makino, Hiroyuki Uemura | 2005-02-22 |
| 5750299 | Method of forming colored image by use of inorganic toner, inorganic toner for developing latent electrostatic image, and colored toner image bearing image transfer medium | Kouchi Ohshima, Shinichi Kuramoto, Hiromitsu Kawase, Yoichiro Watanabe, Masanaga Imamura +2 more | 1998-05-12 |
| 5326496 | Compensator for liquid crystal display | Shigeki Iida, Takehiro Toyooka, Yasuyuki Takiguchi | 1994-07-05 |
| 5260109 | Method for polarizing light | Shigeki Iida, Takehiro Toyooka, Yasuyuki Takiguchi | 1993-11-09 |
| 5105291 | Liquid crystal display cell with electrodes of substantially amorphous metal oxide having low resistivity | Fuyuhiko Matsumoto, Masato Tani | 1992-04-14 |
| 5056896 | Liquid crystal display device with dielectric anisotropy | Haruo Iimura, Yasuyuki Takiguchi, Akihiko Kanemoto, Kenya Yokoi | 1991-10-15 |
| 4984873 | Liquid crystal display device | Yasuyuki Takiguchi, Akihiko Kanemoto, Kenya Yokoi, Haruo Iimura, Sumio Kamoi | 1991-01-15 |
| 4818074 | Projection device for irradiating a light to a display device and optically magnifying and projecting a reflection light therefrom | Kenya Yokoi, Fuyuhiko Matsumoto, Wasaburo Ohta, Toru Miyabori, Akihiko Kanemoto +2 more | 1989-04-04 |
| 4793691 | Liquid crystal color display device | Wasaburo Ohta, Kiyohiro Uehara, Sumio Kamoi, Fuyuhiko Matsumoto | 1988-12-27 |
| 4772885 | Liquid crystal color display device | Kiyohiro Uehara, Wasaburo Ohta | 1988-09-20 |
| 4678285 | Liquid crystal color display device | Wasaburo Ohta, Kiyohiro Uehara | 1987-07-07 |
| 4284698 | Layered electrophotographic photoconductor | Takeo Kazami, Tatuya Kato, Toshio Fukagai | 1981-08-18 |
| 4256821 | Electrophotographic element with carbazole-phenyhydrazone charge transport layer | Tatuya Katoh, Akio Kozima, Tatsumi Satoh | 1981-03-17 |