Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883822 | Agent for regulating the motional function of gastrointestinal tract | Kohtaro Matsuo, Youichirou Ezaki, Akihiro Tobe, Kozue Enda, Mariko Kitsukawa | 1989-11-28 |
| 4862434 | Timepiece structure | Imao Hiraga, Takehide Yamada, Tadashi Nishitani | 1989-08-29 |