Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9616369 | Inertial filter | Takuji Ikeda, Masami Furuuchi, Takafumi Seto | 2017-04-11 |
| 8978490 | Inertial filter and particle classification apparatus | Takuji Ikeda, Masami Furuuchi, Takafumi Seto, Masato Mizuno | 2015-03-17 |
| 8124000 | Substrate manufacturing method including protrusion removing step | Susumu Tsujikawa, Tetsumi Sumiyoshi | 2012-02-28 |
| 4481454 | Method of driving a stepping motor | — | 1984-11-06 |