Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11326433 | Fracturing method and depressurizing device used for same | Shigemi NAGANAWA, Noriyoshi Tsuchiya, Tatsuya Kajiwara, Kuniaki Shimada | 2022-05-10 |
| 9951876 | Double eccentric valve | Sunao Kitamura, Hiroshi Misumi | 2018-04-24 |
| 9376988 | Exhaust gas recirculation valve | Yoshimasa Ito, Kazumasa Nakashima, Takashige Inagaki, Tomoyuki Noguchi, Takashi Tomita +2 more | 2016-06-28 |
| 9068536 | Exhaust gas recirculation apparatus | — | 2015-06-30 |
| 8087403 | Heating apparatus of electromagnetic PCV valve | Katsumi Ishida, Koichi Suzuki, Naoya Okada, Shoichiro Morinaka | 2012-01-03 |
| 7891346 | Blowby gas returning device | Hirokazu Konohara | 2011-02-22 |
| 7716828 | Method of manufacturing throttle body, and throttle body | Naoto Miyauchi, Mikiharu Yoshizaka, Masashi Ozeki | 2010-05-18 |
| 7503309 | Throttle control apparatus | Hiroshi Tanimura, Hiroyuki Kado | 2009-03-17 |
| 7441542 | Butterfly valves and intake air control devices for internal combustion engines | Takuji Nakamura | 2008-10-28 |
| 6138640 | Intake control valve device for internal combustion engine | Hiroki Yamamoto | 2000-10-31 |
| 5993202 | Baking furnace and control method therefor | Fumio Yamazaki | 1999-11-30 |