Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339197 | Leak diagnosis device of fuel vapor treatment apparatus | Yuusaku Nishimura, Keita Fukui | 2025-06-24 |
| 12146456 | Control device for fuel vapor treatment apparatus | Yuusaku Nishimura, Keita Fukui | 2024-11-19 |
| 11927153 | Diagnostic system for evaporated fuel treatment system | Takumi Anzawa, Shogo Chikada | 2024-03-12 |
| 11719180 | Abnormality diagnosis apparatus for internal combustion engine | Akihiro Katayama, Hirotaka Nakayama, Yuki Ikejiri, Takumi Anzawa | 2023-08-08 |
| 10233054 | Elevator car upper handrail apparatus | Takahide Ishiguro, Naoyuki Maruyama, Hironobu Kamada, Kazuya Shindo | 2019-03-19 |
| 9850833 | Diagnosis device for internal combustion engine, and diagnosis method for internal combustion engine | Kenichiro Kawase | 2017-12-26 |
| 9676596 | Elevator refurbishing method | Kazuhiro Yoshikawa, Kazuhiro Sasaki, Yoshinao Takahashi | 2017-06-13 |
| 7484406 | Abnormality determining apparatus of fuel vapor processing system | — | 2009-02-03 |
| 7409929 | Cooling apparatus for internal combustion engine | Tokiji Ito | 2008-08-12 |
| 7325447 | Cooling apparatus for internal combustion engine and diagnosis method for the cooling apparatus | Tokiji Ito | 2008-02-05 |
| 7284530 | Leak detector for fuel vapor purge system | Kenji Nagasaki, Tokiji Ito | 2007-10-23 |
| 7165447 | Failure diagnostic apparatus for fuel vapor purge system and fuel vapor purge apparatus and combustion engine having failure diagnostic apparatus | Tokiji Ito, Kenji Nagasaki | 2007-01-23 |
| 7165446 | Failure diagnostic apparatus for fuel vapor purge system and fuel vapor purge apparatus and combustion engine having failure diagnostic apparatus | Tokiji Ito, Kenji Nagasaki | 2007-01-23 |
| 6848298 | Apparatus and method for failure diagnosis of fuel vapor purge system | Tokiji Ito, Shuichi Hanai, Akira Ichikawa, Kenji Nagasaki | 2005-02-01 |
| 6722348 | Abnormality detecting apparatus for fuel vapor treating system and method for controlling the apparatus | Kenji Nagasaki, Masao Kano, Yasuo Kato, Tokiji Ito | 2004-04-20 |