Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7371631 | Method of manufacturing a nonvolatile semiconductor memory device, and a nonvolatile semiconductor memory device | Takeshi Sakai, Yasushi Ishii, Tsutomu Okazaki, Masaru Nakamichi, Kyoya Nitta +3 more | 2008-05-13 |
| 7245531 | Semiconductor device | Tsutomu Okazaki, Daisuke Okada, Kyoya Nitta, Toshihiro Tanaka, Akira Kato +3 more | 2007-07-17 |
| 5946548 | Method for manufacturing a MISFET device where the conductive film has a thickness | Naotaka Hashimoto, Toshifumi Takeda, Yasushi Sasaki, Yaichirou Miura | 1999-08-31 |
| 5668648 | Computer-assisted holographic display apparatus | Tutomu Saito | 1997-09-16 |
| 5347375 | Computer-assisted holographic image formation technique which determines interference pattern data used to form the holographic | Tutomu Saito | 1994-09-13 |
| 5305994 | Sorter with rotary spirals and guide rails | Takatoshi Nishimura, Kenichi Honda, Shoichiro Tajima, Keiichi Asano, Hiroyuki Nagai +1 more | 1994-04-26 |
| 5290020 | Sheet finishing device with calculating means for efficient operation | Takatoshi Nishimura, Kenichi Honda, Shoichiro Tajima, Keiichi Asano, Nobukazu Ootsuka +4 more | 1994-03-01 |
| 5253023 | Electrostatographic apparatus without cleaner | Yasuo Hosaka, Hitoshi Nagato, Yuzo Koike, Shuzo Hirahara | 1993-10-12 |
| 5201503 | Sheet sorter with common supply and discharge rollers | Hiromi Sakata, Masanori Itakiyo, Kunihiko Ishikawa, Kenzo Ono | 1993-04-13 |
| 5175635 | Picture printing apparatus using multivalued patterns, binary patterns and dither patterns selectively | Kiyoshi Yamada, Shuzo Hirahara, Kazuhiko Higuchi | 1992-12-29 |
| 5114136 | Document pusher plate of an image forming equipment | Jun Miyoshi, Mitsugu Shibanaka, Nobukazu Ohtsuka | 1992-05-19 |
| 5058874 | Automatic document conveying device | Jun Miyoshi, Hiroyuki Nagai, Mitsugu Shibanaka, Nobukazu Otsuka, Yasuhiko Kida +1 more | 1991-10-22 |
| 5016868 | Automatic document transfer device | Nobukazu Ohtsuka, Hiroyuki Nagai, Mitsugu Shibanaka | 1991-05-21 |
| D310540 | Document feeder for a copy machine | Shigetoshi Ishikawa, Yoshinari Itoi | 1990-09-11 |
| D308987 | Paper sorter for a copy machine | Shigetoshi Ishikawa, Yoshinari Itoi | 1990-07-03 |
| 4914349 | Photo-electric conversion tube with optical fiber plate | Takeo Sugawara | 1990-04-03 |
| 4884080 | Color image printing apparatus | Shuzo Hirahara, Hitoshi Nagato, Kazuhiko Higuchi, Kiyoshi Yamada, Tadayoshi Ohno +1 more | 1989-11-28 |
| 4686935 | Developing device | Akira Fushida, Nobuyasu Honda, Minoru Nakao, Nobuyuki Tsuji | 1987-08-18 |
| 4652510 | Method for forming negative and positive images in electrophotographic process | Akira Fushida, Yuuji Hasegawa, Masahiko Maeda, Nobuyuki Tsuji, Akira Horiuchi +1 more | 1987-03-24 |
| 4592041 | Head for recording an information signal in and reproducing the same from a semiconductor recording medium | Shigeo Senzaki, Jun Ikeuchi, Norikazu Sawazaki | 1986-05-27 |
| 4576465 | Method and apparatus for adjusting toner concentration of two-component type developer | Akira Fushida, Yuuji Hasegawa | 1986-03-18 |
| 4540645 | Magnetic brush development method | Nobuyasu Honda, Akira Fushida, Toshimitsu Ikeda, Kenji Takahashi, Hideo Fukuda +2 more | 1985-09-10 |
| 4440488 | Cleaning device for an image-carrying member | Takashi Maekawa, Shoji Matsumoto | 1984-04-03 |
| 4430410 | Method and apparatus for developing latent electrostatic images | Tatsuo Aizawa, Shoji Matsumoto, Kaoru Sakata, Akira Fushida, Toshimitsu Ikeda +1 more | 1984-02-07 |
| 4380579 | Electrostatic copying process and apparatus | Shoji Matsumoto, Toshimitsu Ikeda, Nobuhiko Kozuka, Hitoshi Nishihama, Tatsuo Aizawa | 1983-04-19 |