Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061527 | Grain classifying device and adhesive containing grains classified by the device | Keiji Koyama, Tetsuya Kuwabara, Hideki Kashihara | 2011-11-22 |
| 8047381 | Grain classifying device and adhesive containing grains classified by the device | Keiji Koyama, Tetsuya Kuwabara, Hideki Kashihara | 2011-11-01 |
| 7813090 | DC switchgear provided with a commutation-type DC circuit breaker | Masato Suzuki, Yoshihiko Matsuda, Naoki Kawamura | 2010-10-12 |