Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8816674 | Method for detecting concentration of particles and device therefor | Takashi Fujii | 2014-08-26 |
| 8659287 | Hard particle concentration detecting method | Takashi Fujii | 2014-02-25 |
| 7475717 | Mold | Kazuyoshi Chikugo, Koichi Murakami, Koshichi Ogawa | 2009-01-13 |
| 7281566 | Method for manufacturing mold | Kazuyoshi Chikugo, Koichi Murakami, Koshichi Ogawa | 2007-10-16 |