Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7730815 | Vibration body for cutting, processing device, molding die and optical element | Toshiyuki Imai, Shigeru Hosoe, Hiroyuki Matsuda | 2010-06-08 |
| 4946888 | High-hardness rubber composition | Keisaku Yamamoto, Yoshio Tanimoto | 1990-08-07 |