Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579160 | Holder for polished work and manufacturing method thereof | Kouji Uchihata, Akihiko Uzawa, Kuniyuki Kanai | 2003-06-17 |
| 4299947 | Process for producing quick-curing phenolic resin | Tsutomu Watanabe, Shigeru Koshibe, Keiji Azuma | 1981-11-10 |
| 4297473 | Quick-curing phenolic resin and process for preparing same | Shigeru Koshibe | 1981-10-27 |