Issued Patents All Time
Showing 25 most recent of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662934 | Electric compressor, and refrigeration air-conditioning apparatus | Ryou OOTA, Hiroyuki Akata, Yasutaka Yoshida, Koji Naito | 2020-05-26 |
| 10267549 | Refrigeration cycle device | Hiroaki Tsuboe, Atsuhiko Yokozeki, Masaki Uno | 2019-04-23 |
| 8778557 | Membrane electrode assembly for fuel cell and fuel cell using the same | — | 2014-07-15 |
| 8399144 | Membrane-electrode assembly for direct oxidation fuel cell and direct oxidation fuel cell | Hiroaki Matsuda, Takashi Akiyama | 2013-03-19 |
| 8389173 | Method for activating fuel cell | Takashi Akiyama, Yukihiro Okada, Satoshi Shibutani, Masahiro Takada | 2013-03-05 |
| 8377601 | Direct oxidation fuel cell | Hiroaki Matsuda, Takashi Akiyama | 2013-02-19 |
| 8318364 | Fuel cell system | Hiroaki Matsuda | 2012-11-27 |
| 8283089 | Direct oxidation fuel cell | Hiroaki Matsuda | 2012-10-09 |
| 8178272 | External additive, method of manufacturing same and toner | Masanori Rimoto, Masakazu Nakada | 2012-05-15 |
| 8105732 | Direct oxidation fuel cell | Hiroaki Matsuda | 2012-01-31 |
| 8076040 | Direct oxidation fuel cell | Masahiro Takada | 2011-12-13 |
| 7968238 | Method for operating fuel cell system | Takashi Akiyama, Toshihiko Ichinose, Masahiro Takada | 2011-06-28 |
| 7964323 | Direct oxidation fuel cell | — | 2011-06-21 |
| 7824812 | Fuel cell system | Masahiro Takada | 2010-11-02 |
| 7807317 | Anode electrodes for direct oxidation fuel cells and systems operating with concentrated liquid fuel | Chao Wang | 2010-10-05 |
| 7803490 | Direct methanol fuel cell | Shinsuke Fukuda | 2010-09-28 |
| 7781121 | Fuel cell | Shinsuke Fukuda | 2010-08-24 |
| 7745063 | Fuel cell stack | Takashi Akiyama, Kohji Yuasa, Shinsuke Fukuda | 2010-06-29 |
| 7670705 | Fuel cell system with purifying apparatus | Takashi Akiyama, Kohji Yuasa, Shinsuke Fukuda, Yukihiro Okada, Satoshi Shibutani | 2010-03-02 |
| 7582371 | Fuel cell system having fuel and water controlling means | Takashi Akiyama, Yukihiro Okada, Kohji Yuasa, Satoshi Shibutani | 2009-09-01 |
| 7498097 | Fuel cell and production method thereof | Takashi Akiyama, Kohji Yuasa, Yukihiro Okada, Satoshi Shibutani | 2009-03-03 |
| 7473483 | Direct methanol fuel cell | Shinsuke Fukuda | 2009-01-06 |
| 7438245 | Milling and classifying apparatus, collision mill, air classifier, toner, and method for producing toner | Masahiro Kawamoto, Kohta Wakimoto, Kohji Kubota, Mamoru Kawaguchi, Yoshiyuki Okegawa +11 more | 2008-10-21 |
| 7413826 | Anode electrodes for direct oxidation fuel cells and systems operating with concentrated liquid fuel | Chao Wang | 2008-08-19 |
| 6432590 | Electrophotographic toner and image forming method using the toner | Shohichi Sugimoto, Satoru Miyamoto, Osamu Uchinokura, Kumi Hasegawa, Tamotsu Kajihara +2 more | 2002-08-13 |