Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10227982 | Scroll compression device | Satoshi Iitsuka, Tsutomu Kon, Akihiro Hayashi, Kazuyoshi Sugimoto, Yasunori Kiyokawa +3 more | 2019-03-12 |
| 9581160 | Scroll compression device | Satoshi Iitsuka, Tsutomu Kon, Akihiro Hayashi, Katsuki Akuzawa, Kazuyoshi Sugimoto +3 more | 2017-02-28 |
| 9494155 | Scroll compression device | Satoshi Iitsuka, Tsutomu Kon, Akihiro Hayashi, Yasunori Kiyokawa, Kazuyoshi Sugimoto +3 more | 2016-11-15 |
| 8585381 | Scroll type compressor having an intercommunication path in which a pin member is inserted | Yasunori Kiyokawa, Yoshiaki Koike, Tsutomu Kon, Katsuki Akuzawa, Satoshi Iitsuka +2 more | 2013-11-19 |
| 7442018 | Compressor having an oil residue pool | Yasunori Kiyokawa, Kazuyoshi Sugimoto | 2008-10-28 |
| 7351045 | Rotational inhibitor for compressor lubricant | Kazuyoshi Sugimoto, Yasunori Kiyokawa, Yoshiaki Koike | 2008-04-01 |
| 6670764 | Discharge lamp unit with noise shields and noise control method for discharge lamp unit | — | 2003-12-30 |
| 6540388 | Mounting structure for a discharge lamp lighting device | Hiroaki Okuchi, Masamichi Ishikawa | 2003-04-01 |
| 6446462 | Freezing apparatus | Yasunori Kiyokawa, Yoshinori Noboru, Kazuyoshi Sugimoto, Takashi Sato, Jyunichi Suzuki | 2002-09-10 |
| 6291945 | Discharge lamp lighting device | Koichi Toyama, Koichi Kato | 2001-09-18 |
| RE37021 | Water-absorbing resin and process for producing same | — | 2001-01-16 |
| 6122798 | Dust suction head for electric vacuum cleaner | Toshinari Kobayashi, Kazuo Saito, Akihiko Zako, Sadaki Kodera, Keiichi Sato +2 more | 2000-09-26 |
| 5880563 | Device for accurately detecting end of usage lifetime of a discharge lamp | Koichi Toyama, Koichi Kato | 1999-03-09 |
| 5706185 | Control apparatus for a lighting system of a discharge lamp used in various types of vehicles | Koichi Toyama, Koichi Kato | 1998-01-06 |
| 5600208 | Discharge lamp unit having separable high-voltage transformer safeguard | Kouichi Katou, Koichi Toyama | 1997-02-04 |
| 4415508 | Apparatus for mixing gases | Takeshi Yamamoto, Toshihiko Kumazawa | 1983-11-15 |
| 4256604 | Method for mixing gases and apparatus used therefor | Takeshi Yamamoto, Toshihiko Kumazawa | 1981-03-17 |