Issued Patents All Time
Showing 226–250 of 253 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6074141 | Scroll compressor having grooves for seal members | Kimihiro Ishikawa, Takashi Miyakawa, Yasushi Watanabe, Tetsuhiko Fukanuma | 2000-06-13 |
| 5987273 | Toner concentration detecting method and system | — | 1999-11-16 |
| 5920985 | Method of manufacturing a movable scroll element | Tetsuhiko Fukanuma, Yasushi Watanabe, Yuichi Tsumagari, Shigeki Iwanami | 1999-07-13 |
| 5853931 | Photoreceptor for electrophotography | — | 1998-12-29 |
| 5807089 | Scroll type compressor with a reinforced rotation preventing means | Yuichi Tsumagari, Shigeki Iwanami, Shigeru Hisanaga, Yasuhiro Oki, Tetsuya Yamaguchi +5 more | 1998-09-15 |
| 5807088 | Scroll type compressor with chamfered scroll wall | Tetsuhiko Fukanuma, Yasushi Watanabe, Kunifumi Goto, Shigeki Iwanami, Yasushi Suzuki | 1998-09-15 |
| 5755898 | Scroll type compressor and method for manufacturing the same | Takamitsu Mukai, Yasushi Watanabe, Nobuhiro Ishizaka | 1998-05-26 |
| 5713220 | Pile patterning mechanism for circular knitting machine and knitted article knitted by the circular knitting machine | Masahiro Seino, Hiromasa Hirose, Satoshi Okoshi | 1998-02-03 |
| 5711659 | Method of manufacturing a movable scroll element and a scroll element produced by the same method | Tetsuhiko Fukanuma, Yasushi Watanabe, Yuichi Tsumagari, Shigeki Iwanami | 1998-01-27 |
| 5641278 | Scroll compressor | Yuichi Tsumagari, Tetsuhiko Fukanuma | 1997-06-24 |
| 5597297 | Scroll type compressor | Tetsuhiko Fukanuma, Shigeru Hisanaga | 1997-01-28 |
| 5581880 | Method for machining scroll member | Junichi Iio, Yukio Yamaguchi, Norio Suzuki, Shigeki Iwanami, Masaaki Enya +3 more | 1996-12-10 |
| 5580228 | Scroll compressor having grooves for seal members | Kimihiro Ishikawa, Takashi Miyakawa, Yasushi Watanabe, Tetsuhiko Fukanuma | 1996-12-03 |
| 5575635 | Scroll compressor having eccentric shaft lubrication | Yuuji Yamamoto, Shinichi Watanabe, Tsuyoshi Takemoto, Shigeru Hisanaga, Tetsuhiko Hukanuma | 1996-11-19 |
| 5545020 | Scroll type compressor with spiral seals | Tetsuhiko Fukanuma, Kunifumi Goto, Masao Iguchi | 1996-08-13 |
| 5525403 | Thermal transfer printing medium | Hitomi Kawabata, Tomoaki Yamanaka, Yasuo Tago, Tsuneo Kawabata | 1996-06-11 |
| 5505809 | Method of preparing a plurality of ceramic green sheets having conductor films thereon | Hirokazu Higuchi, Mitsuro Hamuro, Toshihiko Kogame | 1996-04-09 |
| 5501584 | Scroll type compressor having a passage from the suction chamber to a compression pocket | Kiyohiro Yamada, Tetsuhiko Fukanuma, Yasushi Watanabe, Shigeru Hisanaga, Eiichi Nagasaku +1 more | 1996-03-26 |
| 5478223 | Scroll type compressor having reaction force transmission and rotation prevention for the moveable scroll | Masao Iguchi, Izuru Shimizu, Tetsuo Yoshida, Hisao Kobayashi, Shinichi Sato +2 more | 1995-12-26 |
| 5437543 | Scroll type refrigerant compressor with means for improving airtight sealing of compression chambers | Kunifumi Goto, Tetsuhiko Fukanuma, Yasushi Watanabe, Kiyohiro Yamada | 1995-08-01 |
| 5427513 | Scroll type compressor having a displaced discharge port | Kiyohiro Yamada, Izuru Shimizu, Tetsuhiko Fukanuma | 1995-06-27 |
| 5419690 | Scroll type refrigerant compressor with means for preventing mechanical crack of the housing | Kunifumi Goto, Tetsuhiko Fukanuma, Tetsuo Yoshida | 1995-05-30 |
| 5366357 | Scroll type compressor having a counterweight mounted with a clearance on a driveshaft | Tetsuhiko Fukanuma, Masao Iguchi, Kiyohiro Yamada, Kunifumi Goto, Tetsuo Yoshida +3 more | 1994-11-22 |
| D323987 | Container | Koichi Saito | 1992-02-18 |
| 4969957 | Method of producing a mechanical component with superior fatigue strength | Shigemi Ohsaki, Katsuya Ohuchi, Masami Nishida | 1990-11-13 |