Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913547 | Engine rotating meter | Masao Iwata, Toshiyuki Takano, Atsushi Kawahara | 2011-03-29 |
| 7726181 | Ignition timing measuring and display device of internal combustion engine | Masao Iwata, Toshiyuki Takano, Atsushi Kawahara | 2010-06-01 |