Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677409 | Syndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the wax | Masahiro Kouno, Yoshiho Sonobe, Kazumi Mizutani, Tetsunosuke Shiomura, Nobuhiro Hirayama | 1997-10-14 |
| 5658999 | Syndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the wax | Masahiro Kouno, Yoshiho Sonobe, Kazumi Mizutani, Tetsunosuke Shiomura, Nobuhiro Hirayama | 1997-08-19 |
| 5652315 | Method for preparing ethylene copolymer | Tetsunosuke Shiomura, Masahiro Kouno | 1997-07-29 |