Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477994 | Electromagnetic driving valve of internal combustion engine | Atsushi Umemoto, Yoshinori Onohara, Kouichi Ikoma | 2002-11-12 |
| 6420949 | Core of solenoid actuator | Atsushi Umemoto, Hisao Sakai, Chihaya Sugimoto | 2002-07-16 |