Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7713197 | Pressure measuring method, pressure measuring device, and tonometer | Makoto Nakai, Sunao Takeda, Kenji Yanashima, Akihiro Fujita, Itaru Yoshizawa | 2010-05-11 |
| 7419470 | Method and device for measuring intraocular tension | Kenji Yanashima, Sunao Takeda, Go Taguchi, Takuro Yokoyama | 2008-09-02 |
| RE39753 | Retardation film and optical device employing it | Takashi Kushida | 2007-07-31 |
| 7223451 | Polycarbonate-based oriented film and retardation film | Yuhei Ono, Yoshinori Ikeda | 2007-05-29 |
| 7116445 | Image forming apparatus and image forming method | Hiroyuki Yamazaki, Satoshi Nakashima | 2006-10-03 |
| 7012663 | Liquid crystal display element, and use of phase difference film used the same for | Yuhei Ono | 2006-03-14 |
| 6952540 | Image forming apparatus | — | 2005-10-04 |
| 6881453 | Optical film | Nobuaki Kido, Shunichi Matsumura, Kaoru Iwata, Takashi Kushida, Michio Yamaura +2 more | 2005-04-19 |
| 6800697 | Process for producing retardation film | Masakazu Tsujikura, Takashi Kushida | 2004-10-05 |
| 6638582 | Phase difference film, phase difference film composite and liquid crystal display device using the same | Takashi Kushida | 2003-10-28 |
| 6565974 | Retardation film and optical device employing it | Takashi Kushida | 2003-05-20 |
| 6559909 | Application of light source including light guide for emanating linearly polarized light to liquid crystal display with haze anisotropy | Takashi Kushida, Tatsuichiro Kon, Kazuo Yahata | 2003-05-06 |
| 6473572 | Image forming apparatus having function for judging life of unit detachably mountable thereto, and unit detachably mountable to image forming apparatus | Akihiko Takeuchi | 2002-10-29 |
| 6473574 | Image forming apparatus with plural transfer means and selecting mechanism for selecting from among a plurality of image bearing members | Masatake Usui, Akihiko Takeuchi, Hideyuki Yano, Kazuhiro Funatani | 2002-10-29 |
| 6177153 | Orientated film having pores | Toshiaki Yatabe | 2001-01-23 |
| 6101286 | Image processing apparatus and method having improved color-boundary mixing | Satoshi Shimizu, Haruo Fujii, Hiroshi Sasame, Tatsuya Kobayashi, Takashi Kawana +5 more | 2000-08-08 |
| 5940654 | Image forming apparatus with development control based on density detection of developed control image | Hiroshi Sasame, Tatsuya Kobayashi, Youichirou Maebashi | 1999-08-17 |
| 5873010 | Image forming apparatus for performing correction control, based on density of toner image | Naoki Enomoto, Takao Aoki, Haruo Fujii, Hiroshi Sasame, Tatsuhiko Hayakawa +4 more | 1999-02-16 |
| 5697011 | Image forming apparatus and a density measuring method in which a density measuring mode is changed in accordance with a developed image | Tatsuya Kobayashi | 1997-12-09 |
| 5678130 | Developing apparatus including a control function for applied periodic developing bias field | Naoki Enomoto, Haruo Fujii, Hiroshi Sasame, Motoi Katoh, Tatsuya Kobayashi +5 more | 1997-10-14 |
| 5666597 | Image forming apparatus with delayed discharge by discharge means | Hiroshi Sasame, Haruo Fujii, Tatsuhiko Hayakawa, Tatsuya Kobayashi, Tetsuya Kobayashi +3 more | 1997-09-09 |
| 5666588 | Image forming apparatus for performing image density control | Haruo Fujii, Hiroshi Sasame, Tatsuya Kobayashi, Tetsuya Kobayashi, Naoki Enomoto +3 more | 1997-09-09 |
| 5559591 | Image forming apparatus with function of requesting exchange of fixing unit | Motoi Kato, Haruo Fujii, Toshifumi Moritani, Tatsuya Kobayashi, Tetsuya Kobayashi +3 more | 1996-09-24 |
| 5548381 | Developing apparatus forming alternating electric field between image bearing member and toner carrying member | Yoshiro Saito, Haruo Fujii, Hiroshi Sasame, Tatsuhiko Hayakawa, Tatsuya Kobayashi +3 more | 1996-08-20 |
| 5543900 | Image forming apparatus which reduces toner fusion on an image bearing member | Youichirou Maebashi, Haruo Fujii, Hiroshi Sasame, Hiroaki Kawakami, Tatsuya Kobayashi +3 more | 1996-08-06 |