Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837347 | Control method for internal combustion engine and control device for internal combustion engine | Hiroaki Hoshikawa, Kakuzou Kaneko, Takayoshi Ichihara, Kazuo Muraki | 2020-11-17 |
| 7103195 | Speaker unit | Kunio Mitobe | 2006-09-05 |