Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886873 | Aromatic hetero ring-containing polyimide and its composite | Masatoshi Kimura, Shohachi Morita | 1989-12-12 |
| 4840981 | Polyethylene terephthalate resin composition | Masayoshi Hasuo, Ryo Saito, Isao Ikuhara | 1989-06-20 |
| 4734488 | Polycarbonate and optical disc substrate | Masayoshi Hasuo, Hiroshi Urabe, Seiji Yoshida, Masahiro Nukui | 1988-03-29 |
| 4680374 | Optical disc substrate made of a copolycarbonate | Masayoshi Hasuo, Hiroshi Urabe, Seiji Yoshida, Masahiro Nukui | 1987-07-14 |
| 4368286 | Thermoplastic polyester resin composition which is quickly crystallizable | Masahiro Hayashi, Tamotsu Yoshimura, Masaharu Shikama, Hideto Kusumoto, Hideki Yamanouchi | 1983-01-11 |
| 4246396 | Process for producing polyoxymethylene | Ikuo Sukegawa, Seiichi Nozawa, Masaharu Shikama | 1981-01-20 |