Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8112772 | Electronic apparatus | Yasuhiro Yuda, Yukio Shimizu, Masatoshi Ohtani, Yuya Tanaka | 2012-02-07 |
| 7597290 | Tilting apparatus and electronic apparatus | Yukio Shimizu, Tetsuo Sano, Shogo Tanaka | 2009-10-06 |
| 6339689 | Toner collection device with displaceable partition | — | 2002-01-15 |
| 6055401 | Electrophotographic image-forming apparatus having developing device which includes a plurality of developing rollers | Yoshihiro Tonomoto, Hiroshi Sato, Toshio Hino, Toshimasa Toyama, Masaaki Ohyama +4 more | 2000-04-25 |
| 5979162 | Vehicle brake booster apparatus | Satoshi Kawasumi, Tomoo Ogura | 1999-11-09 |
| 5941610 | Tandem vacuum servo unit for a vehicle braking system | Kenji Hayashi, Kazuhiko Suzuki, Satoshi Kawasumi | 1999-08-24 |
| 5601008 | Vacuum servo unit for a vehicle braking system | Akihiko Miwa, Shigeru Sakamoto | 1997-02-11 |
| 5450167 | Electrophotographic image forming apparatus | Toshimasa Okano, Toshio Fukushima | 1995-09-12 |
| 5193429 | Vacuum type brake booster | Satoshi Kawasumi | 1993-03-16 |
| 5190125 | Vacuum brake booster | Kazuhiko Suzuki, Akihiko Miwa, Satoshi Kawasumi | 1993-03-02 |
| 4856412 | Vacuum operated booster | Satoshi Kawasumi, Hiroyuki Kondo, Akihiko Miwa, Kazuhiko Suzuki | 1989-08-15 |
| 4843948 | Vacuum-operated brake booster with a key and retainer therefor | Akihiko Miwa | 1989-07-04 |
| 4794850 | Fluid pressure servomotor | Michiharu Nishii | 1989-01-03 |
| 4718326 | Tandem brake booster | Akihiko Miwa | 1988-01-12 |
| 4596178 | Housing assembly for tandem brake booster | — | 1986-06-24 |
| 4466246 | Brake booster and master cylinder with mounting | Youichi Furuta, Kaoru Tsubouchi, Michiharu Nishii, Shozaburo Tsuchida | 1984-08-21 |