Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447868 | Optical molding material, and optical disk substrate and production method thereof | Masayuki Sekiguchi, Toshihiro Ohtsuki, Tatsuya Hirono | 2002-09-10 |
| 5304422 | Low friction polyamide, polyethylene, P.T.F.E. resin | Takayoshi Tanabe, Shuji Tsuchikawa, Shinichi Kimura | 1994-04-19 |