Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11971381 | Gas detection device | Susumu Takami, Hisao Onishi | 2024-04-30 |
| 11454146 | Drain plug structure for oil pan | Daizo Ito, Yuichi Kato | 2022-09-27 |
| 11448106 | Sealing structure | Shintaro Ishigami, Daizo Ito, Satoshi Komiyama | 2022-09-20 |
| 11060991 | Gas alarm device and gas detection method | Naoyoshi MURATA, Takuya Suzuki, Makoto Okamura, Tsuyoshi Kamioka, Hisao Ohnishi | 2021-07-13 |
| 10920631 | Head cover for internal combustion engine cylinder head | Daizo Ito, Katsuhisa Ohta, Yuki Oyama | 2021-02-16 |
| 10823718 | Gas alarm, control device and program | Naoyoshi MURATA, Takuya Suzuki, Makoto Okamura, Tsuyoshi Kamioka, Hisao Ohnishi | 2020-11-03 |
| 10787941 | Drain nut attachment structure for synthetic resin cover | Daizo Ito, Shin Yoshida, Yuichi Kato | 2020-09-29 |
| 10393064 | Seal structure for internal combustion engine | Daizo Ito, Seiji Tani | 2019-08-27 |
| 10337398 | Blowby gas treatment device for internal combustion engine with supercharger | Daizo Ito, Terumoto Mochizuki, Akira Iijima, Takayuki Sakai | 2019-07-02 |
| 9925483 | Blow-by gas inlet structure of oil separator for internal combustion engine | Keigo Hayashi | 2018-03-27 |
| 8936000 | Head cover having lubrication structure | — | 2015-01-20 |
| 8736274 | Method and apparatus for diagnosing electrochemical sensor | Hisao Ohnishi, Hidemasa Nonaka, Toshiro Nakayama, Tomohiro Inoue, Yuki Kato | 2014-05-27 |
| 8726876 | Oil separator for internal combustion engine | Akihiro Kobayashi, Masanori Suto | 2014-05-20 |
| 7117858 | Oil separator combined with cylinder head cover | Terumoto Mochizuki | 2006-10-10 |