Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883717 | Vibration-damping material | Shuji Kitamura, Takuzo Okumura, Yoshio Tadokoro, Hiroo Toya, Yoshiaki Togawa +5 more | 1989-11-28 |
| 4859710 | Lead accumulator | Tadashi Sakurai, Noboru Yamaguchi, Mitsuyuki Okada, Kouichiro Asao | 1989-08-22 |
| 4840847 | Conjugate fibers and nonwoven molding thereof | Tadashi Sakurai, Kouichiro Asao | 1989-06-20 |
| 4831095 | Novel ethylene copolymer and process for producing said copolymer | Kentaro Mashita, Noboru Yamaguchi, Kouichiro Asao, Hisao Tanaka, Tadashi Sakurai | 1989-05-16 |