Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12367533 | Battery management system and battery management method | Tomoko Tamai, Takashi Komaru, Eiji Teramoto, Kohei Fukunishi | 2025-07-22 |
| 9194048 | Electrochemical device | Eiji HARYU, Koji Nakazawa, Kenji Taruya | 2015-11-24 |
| 8991445 | Hydrogen filling system and method of operating the same | Koji Nakazawa, Jun Takeuchi | 2015-03-31 |
| 8961748 | Water electrolysis system | Eiji HARYU, Koji Nakazawa | 2015-02-24 |
| 8894829 | Water electrolysis apparatus | Eiji HARYU, Koji Nakazawa, Kenji Taruya | 2014-11-25 |
| 8815063 | High-pressure water electrolysis apparatus | Eiji HARYU, Koji Nakazawa | 2014-08-26 |
| 8815075 | Water electrolysis system and method of operating same | Jun Takeuchi, Koji Nakazawa, Hisashi Nagaoka, Tetsuya Yoshida, Daisuke Kurashina +1 more | 2014-08-26 |
| 8741123 | Water electrolysis system and method for shutting down the same | Jun Takeuchi, Hisashi Nagaoka, Koji Nakazawa | 2014-06-03 |
| 8721867 | Method of shutting down water electrolysis apparatus | Kenji Taruya, Aoi Miyake, Jun Takeuchi | 2014-05-13 |
| 8709220 | Water electrolysis apparatus | Koji Nakazawa, Eiji HARYU, Kenji Taruya, Koichi Takahashi | 2014-04-29 |
| 8691060 | Water electrolysis apparatus | Eiji HARYU, Koji Nakazawa, Kenji Taruya | 2014-04-08 |
| 8366887 | Hydrogen generating system and operating method therefor | Koji Nakazawa, Kenji Taruya | 2013-02-05 |
| 8361304 | Water electrolysis system and method of operating same | Nobuyoshi Yoshida, Koji Nakazawa, Jun Takeuchi | 2013-01-29 |
| 8337678 | Electrochemical apparatus | Hiroyuki Ishikawa, Koji Nakazawa, Eiji HARYU | 2012-12-25 |
| 8329020 | Method of shutting down water electrolysis system | Jun Takeuchi, Koji Nakazawa, Kenji Taruya | 2012-12-11 |
| 7951284 | Electrolysis apparatus, electrochemical reaction membrane apparatus, porous electrical conductor, and production method thereof | Koji Nakazawa, Masato Kita, Kenji Taruya, Tadashi Ogasawara, Kazuomi Azuma +1 more | 2011-05-31 |
| 7846307 | High-pressure hydrogen production apparatus | Kenji Taruya, Koji Nakazawa | 2010-12-07 |
| 7553399 | Hydrogen production apparatus with electrolyte of varying thicknesses | Koji Nakazawa, Kenji Taruya | 2009-06-30 |
| 6872286 | Water electrolysis cell | Masao Ichikawa, Kenta Urata, Katsutoshi Nosaki | 2005-03-29 |
| 6187706 | Silicon nitride sintered body and method of producing the same | Kagehisa Hamazaki | 2001-02-13 |
| 5856253 | Method of reinforcing molded body of ceramic and reinforced mold body of ceramic | Yoshikatsu Higuchi, Yasunobu Kawakami | 1999-01-05 |
| 5559062 | Method of manufacturing a composite sintered body | Yoshikatsu Higuchi, Yasunobu Kawakami | 1996-09-24 |
| 5494865 | Crystalline ceramic fiber and method of manufacturing same | Yoshikatsu Higuchi, Yasunobu Kawakami | 1996-02-27 |