Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9377001 | Spark plug for internal combustion engine | Takanobu Aochi, Kaori Doi, Masamichi Shibata | 2016-06-28 |
| 9371806 | Spark plug for internal combustion engine | Takanobu Aochi, Takayuki Inohara, Shinichi Okabe, Masamichi Shibata | 2016-06-21 |
| 9234491 | Spark plug for internal combustion engine | Takanobu Aochi, Masamichi Shibata, Kaori Doi | 2016-01-12 |