Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019630 | Rubbery copolymer, process for production thereof, and vulcanizable elastomer composition | Mitsuyoshi Aonuma, Akio Maeda, Yukihiko Morozumi, Tetsu Ohishi | 1991-05-28 |
| 4694067 | Rubber composition for dust cover boots | Akio Maeda, Hirokatsu Seya | 1987-09-15 |
| 4555548 | Rubber composition for tire treads | Akio Ueda, Shuichi Akita | 1985-11-26 |
| 4414363 | Rubber composition | Shuichi Akita, Hiroyuki Watanabe, Akio Ueda | 1983-11-08 |