Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859710 | Lead accumulator | Tadayuki Ohmae, Tadashi Sakurai, Noboru Yamaguchi, Mitsuyuki Okada | 1989-08-22 |
| 4840847 | Conjugate fibers and nonwoven molding thereof | Tadayuki Ohmae, Tadashi Sakurai | 1989-06-20 |
| 4831095 | Novel ethylene copolymer and process for producing said copolymer | Tadayuki Ohmae, Kentaro Mashita, Noboru Yamaguchi, Hisao Tanaka, Tadashi Sakurai | 1989-05-16 |