Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10141207 | Operation method of plasma processing apparatus | Yutaka Kouzuma, Hiroyuki Kobayashi, Nobuya Miyoshi, Kenetsu Yokogawa | 2018-11-27 |
| 10050417 | Spark plug and manufacturing method thereof | Ryohei Akiyoshi, Ken Hanashi | 2018-08-14 |
| 9954344 | Spark plug for internal combustion engine | Kenji Hattori, Masamichi Shibata, Toshiya Nakamura, Yasuomi Imanaka, Hirofumi Suzuki +2 more | 2018-04-24 |
| 9935429 | Ignition control system | Ken Hanashi, Ryohei Akiyoshi | 2018-04-03 |