Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880078 | Exhaust muffler | Hiroshi Funabashi, Yukihiro Nakagawa | 1989-11-14 |
| 4859696 | Precutaneous absorption accelerator and preparation containing same | Tetsuro Kamiya, Hidenori Yorozu, Yasuteru Eguchi, Kaoru Tsujii | 1989-08-22 |
| 4843046 | Ceramic composition of high dielectric constant comprising PbO.sub.3, La.sub.2 O.sub.3, MO, ZrO.sub.2 and TiO.sub.2 | Takashi Yamaguchi, Masashi Saito | 1989-06-27 |
| 4823041 | Non-directional ultrasonic transducer | Masashi Konno | 1989-04-18 |