Issued Patents All Time
Showing 1–25 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12368285 | Spark plug | Ayato Kawabe, Haruki Yoshida, Kengo Fujimura | 2025-07-22 |
| 12095234 | Spark plug | Yuichi Yamada, Haruki Yoshida, Hiroki Shimada, Takuto Koba | 2024-09-17 |
| 11644252 | Flow path structure of heat exchanger, and heat exchanger | Takafumi HAMADA, Tatsuo Kawaguchi, Yutaro FUMOTO | 2023-05-09 |
| 11591950 | Heat exchanging member, heat exchanger and heat exchanger with purifier | Tatsuo Kawaguchi, Daisuke Kimura, Yutaro FUMOTO | 2023-02-28 |
| 11243031 | Heat exchanger and method for producing same | Yutaro FUMOTO, Tatsuo Kawaguchi | 2022-02-08 |
| 11079182 | Heat exchanger | Tatsuo Kawaguchi, Daisuke Kimura, Hiroshi Mizuno, Makoto Yoshihara, Takafumi HAMADA | 2021-08-03 |
| 10837342 | Heat exchange component | Tatsuo Kawaguchi, Makoto Yoshihara | 2020-11-17 |
| 10494974 | Exhaust heat recovery device | Tatsuo Kawaguchi, Makoto Yoshihara, Hiroshi Mizuno, Daisuke Kimura | 2019-12-03 |
| 9820337 | Heating method of honeycomb structure | Katsumi Saiki | 2017-11-14 |
| 8820139 | Particulate matter detection device | Masahiro Tokuda, Takashi Egami, Atsuo Kondo, Masanobu Miki, Keizo Iwama +1 more | 2014-09-02 |
| 8539817 | Particulate matter detection device | Atsuo Kondo, Masahiro Tokuda, Takashi Egami, Keizo Iwama, Masanobu Miki | 2013-09-24 |
| 8382884 | Particulate matter detection device | Tatsuya Okayama, Masanobu Miki, Keizo Iwama, Hidetaka Ozawa, Makoto Hattori +3 more | 2013-02-26 |
| 8366813 | Particulate matter detection device | Masahiro Tokuda, Atsuo Kondo, Takashi Egami | 2013-02-05 |
| 8307532 | Tubular structure for fixing particulate matter detection device | Takashi Egami, Masahiro Tokuda, Atsuo Kondo | 2012-11-13 |
| 8305087 | Particulate matter detection device | Takashi Egami, Masahiro Tokuda, Atsuo Kondo | 2012-11-06 |
| 8278907 | Particulate matter detection device and method for manufacturing the same | Atsuo Kondo, Takashi Egami | 2012-10-02 |
| 8230721 | Particulate matter detection device | Masahiro Tokuda, Takashi Egami, Atsuo Kondo | 2012-07-31 |
| 8176768 | Particulate matter detection device | Atsuo Kondo, Takashi Egami, Tatsuya Okayama, Masanobu Miki, Keizo Iwama | 2012-05-15 |
| 7977955 | Particulate matter sensor | Kyosuke Katsuyama, Kenshin Kitoh, Yukio Miyairi, Junichi Suzuki | 2011-07-12 |
| 7863540 | Plasma reactor | Masaaki Masuda, Michio Takahashi | 2011-01-04 |
| 7862649 | Particulate matter detection device and particulate matter detection method | Yasumasa Fujioka, Atsuo Kondo | 2011-01-04 |
| 7846241 | Particulate material detecting apparatus | Atsuo Kondou, Yasumasa Fujioka | 2010-12-07 |
| 7771673 | Plasma generating electrode and plasma reactor | Yukio Miyairi, Yasumasa Fujioka, Masaaki Masuda, Tatsuhiko Hatano, Yoshihiro Sato +1 more | 2010-08-10 |
| 7772855 | Instrument for measuring concentration of particulates in fluid, measuring method, and measuring program | Kyosuke Katsuyama, Kenshin Kitoh | 2010-08-10 |
| 7727489 | Plasma reactor | Atsuo Kondou, Yasumasa Fujioka, Masaaki Masuda, Kenji Dosaka, Keizo Iwama | 2010-06-01 |