Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5023286 | Polypropylene resin compositions | Masaru Abe, Yoichi Kawai, Katuo Wada | 1991-06-11 |
| 4734450 | Polypropylene-base resin composition containing an inorganic filler and 0.01 to 0.6 wt. % of carbon black | Yoichi Kawai, Masaru Abe, Sachio Yokote, Katsumi Sekiguchi | 1988-03-29 |
| 4663369 | Glass-fiber reinforced polypropylene resin composition | Yoichi Kawai, Masaru Abe, Koutarou Suzuki, Minoru Hoshino | 1987-05-05 |
| 4510079 | Electrically-conductive resin composition | Yoichi Kawai, Yoshihisa Gotoh, Sachio Yokote, Katsumi Sekiguchi | 1985-04-09 |
| 4481131 | Electroconductive resin composition | Yoichi Kawai, Yoshihisa Gotoh, Sachio Yokote, Katsumi Sekiguchi, Katsuyoshi Sasagawa +1 more | 1984-11-06 |
| 4480065 | Polypropylene-base resin composition | Yoichi Kawai, Yoshihisa Gotoh, Akio Yoshihara, Minoru Hoshino, Katsumi Sekiguchi | 1984-10-30 |
| 4425262 | Electroconductive resin composition | Yoichi Kawai, Yoshiro Nakamura, Yoshihisa Gotoh, Sachio Yokote, Katsumi Sekiguchi | 1984-01-10 |
| 4314039 | Polypropylene composition containing a 1.3,2.4-di(alkylbenzylidene) sorbitol | Yoichi Kawai, Katsuyoshi Sasagawa, Hozumi Ueda, Masayoshi Miyamoto | 1982-02-02 |