Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875986 | Method for the preparation of polykis-azobenzenes | Akihiko Ouchi, Hiroshi Moriyama, Etsuro Masuda | 1989-10-24 |
| 4818184 | Device for generating jet with electric field | Takao Taketani | 1989-04-04 |