Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10634875 | Imaging lens | Norimichi Shigemitsu, Yoshihito Ishizue, Hisao Fukaya, Shingo Yuza | 2020-04-28 |
| 10109872 | Fuel cell system activation method and fuel cell system | Koichiro Furusawa, Nobutaka Nakajima | 2018-10-23 |
| 9786935 | Fuel cell system and fuel cell system control method | Koichiro Furusawa, Nobutaka Nakajima, Kenichiro Ueda, Nobuki Koiwa, Kenji Taruya +1 more | 2017-10-10 |
| 9716283 | Method of starting fuel cell system | Koichiro Furusawa | 2017-07-25 |
| 9647282 | Method for controlling fuel cell system | Koichiro Furusawa | 2017-05-09 |
| 9401520 | Fuel cell system and method for stopping operation of fuel cell system | Koichiro Furusawa, Nobutaka Nakajima | 2016-07-26 |
| 9373858 | Method for starting fuel cell system and starting apparatus for fuel cell system | Koichiro Furusawa, Nobutaka Nakajima | 2016-06-21 |
| 9276275 | Fuel cell system | Koichiro Furusawa | 2016-03-01 |
| 9242574 | Fuel-cell electric vehicle | Hiromichi Yoshida, Kiyohide Hibino, Ryo Jinba | 2016-01-26 |
| 9093679 | Method of shutting down fuel cell system | Shinjiro Morita, Nobutaka Nakajima, Go Kikuchi, Nobuki Koiwa, Satoshi Tanimoto +6 more | 2015-07-28 |
| 8613821 | Basic metal nitrate, process for producing the same and gas generating agent composition | Xingxi Zhou, Kazuyuki Matsuoka, Jianzhou Wu, Yo Yamato, Takeshi Takahori | 2013-12-24 |
| 7678204 | Good-workability and high-strength cold-rolled steel sheet excellent in post-painting corrosion resistance | Toshiyuki Katsumi, Kazuhiko Honda, Koki Tanaka, Takahiro Tanae, Katsuyoshi Kaneko +2 more | 2010-03-16 |
| 6673415 | Honeycomb core material for sandwich structure and method for manufacturing the same | Yasushi Kumagai, Tomokazu Shimizu, Akira Inoue, Masamichi Taguchi, Kengo Ozaki | 2004-01-06 |
| 5594805 | Loudspeaker | Yoshio Sakamoto, Shiro Iwakura, Akio Tanase | 1997-01-14 |
| 5253301 | Nondirectional acoustic generator and speaker system | Masakatsu Sakamoto, Shiro Iwakura | 1993-10-12 |
| 5113277 | Fiber optic distributed temperature sensor system | Yasuo Ozawa, Nobuo Ando, Satoshi Yamamoto, Toshio Fukahori, Hiroyuki Kunugiyama +6 more | 1992-05-12 |
| 4799266 | Electroacoustic converter | Yoshio Sakamoto | 1989-01-17 |
| 4772513 | Method for forming a hard carbon thin film on article and applications thereof | Masakatsu Sakamoto, Shuhei Ohta, Shiro Iwakura, Yoichi Yaguchi, Hiroaki Toshima +1 more | 1988-09-20 |
| 4752963 | Electroacoustic converter having a recessed step on the center pole | Shiro Iwakura, Masatoshi Kunii, Toshihiro Hayashi, Yoshio Sakamoto | 1988-06-21 |
| 4725345 | Method for forming a hard carbon thin film on article and applications thereof | Masakatsu Sakamoto, Shuhei Ohta, Shiro Iwakura, Yoichi Yaguchi, Hiroaki Toshima +1 more | 1988-02-16 |
| 4524193 | Modacrylic synthetic fiber having an excellent devitrification preventing property and a process for preparing the same | Shunichiro Kurioka, Mitsuya Sakata, Takahiro Ogawa | 1985-06-18 |
| 4513126 | Acrylonitrile polymer, process for the preparation thereof and fiber prepared therefrom | Fukashi Shibuya | 1985-04-23 |
| 4413703 | Bass-reflex type speaker system | Harumitsu Kato, Hironori Yamada, Masashi Maruyama, Takashi Ogasawara | 1983-11-08 |
| 4200719 | Method of production of acrylonitrile polymer with vinylbenzyl sulfonic acids | Shunichiro Kurioka, Takashi Hatano, Sadame Asada, Mariko Yasuda | 1980-04-29 |