Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7685855 | Vertically shaking working device | Shinichirou Azuma, Takayuki Sakai, Kiyomi Hagita, Atsurou Yamamoto | 2010-03-30 |
| 5177137 | Polyphenylene sulfide resin composition | Kiyotaka Kawashima, Tsuneyuki Adachi, Shigeaki Nagano, Morikuni Yamamoto | 1993-01-05 |