Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871815 | Method of making chlorosulfonated polyethylene | Mamoru Narui, Yasuhiro Sakanaka | 1989-10-03 |
| 4868029 | Toothed rubber belts | Yoshiaki Ishida, Kanesaka Junichiro, Yosuke Kaneshige | 1989-09-19 |
| 4840849 | Laminated article from molding compositions of a chlorosulfonated polyolefin and a fluorine-containing elastomer | Yukihiko Harada, Junichiro Kanesaka, Yousuke Kaneshige | 1989-06-20 |