Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869063 | Exhaust gas control means for engine | Wataru Fuchigami | 1989-09-26 |
| 4859710 | Lead accumulator | Tadayuki Ohmae, Noboru Yamaguchi, Mitsuyuki Okada, Kouichiro Asao | 1989-08-22 |
| 4840029 | Exhaust gas control means for engine | Wataru Fuchigami | 1989-06-20 |
| 4840847 | Conjugate fibers and nonwoven molding thereof | Tadayuki Ohmae, Kouichiro Asao | 1989-06-20 |
| 4831095 | Novel ethylene copolymer and process for producing said copolymer | Tadayuki Ohmae, Kentaro Mashita, Noboru Yamaguchi, Kouichiro Asao, Hisao Tanaka | 1989-05-16 |
| 4816739 | DC/DC converter | Masahiro Kojima | 1989-03-28 |
| 4795420 | Exhaust gas control means for engine | Wataru Fuchigami, Hideaki Kitta | 1989-01-03 |