Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833181 | Polyolefin composition containing cellulose fibers and a deodorizer | Kiyotada Narukawa, Masakichi Shimada, Noboru Yamamoto, Taizo Yamaguchi, Hiroyuki Wakabayashi +1 more | 1989-05-23 |
| 4717743 | Polyolefin-base resin composition | Hiroyuki Wakabayashi, Fumio Kato, Yasuo Ishikawa | 1988-01-05 |
| 4711806 | Plastic part resistant to deicing salt | Hiroyuki Wakabayashi | 1987-12-08 |
| 4582763 | Plastic part resistant to deicing salt | Hiroyuki Wakabayashi | 1986-04-15 |