Issued Patents 2016
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9496687 | Method for manufacturing spark plug | Jiro Kyuno, Keiji Ozeki | 2016-11-15 |
| 9419414 | Spark plug | — | 2016-08-16 |
| 9391710 | Optical signal control device and optical signal control method | Mineto SATOH, Kenji Sato | 2016-07-12 |
| 9325156 | Spark plug | Kenji Ban, Yoshikazu Kataoka, Magoki Shimadate | 2016-04-26 |
| 9306375 | Spark plug | Keiji Ozeki, Naoyuki Mukoyama | 2016-04-05 |
| 9276383 | Spark plug, and production method therefor | Keiji Ozeki, Naoyuki Mukoyama, Tsutomu Kobayashi | 2016-03-01 |
| 9252569 | Spark plug | Nobuaki Sakayanagi | 2016-02-02 |