Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887097 | Recording medium and ink-jet recording process employing the same | Takashi Akiya | 1989-12-12 |
| 4849926 | Data processing circuit for calculating either a total sum or a total product of a series of data at a high speed | — | 1989-07-18 |
| 4832984 | Image forming method | Masahiko Higuma, Mamoru Sakaki, Ryuichi Arai, Takashi Akiya, Naoya Morohoshi | 1989-05-23 |
| 4809532 | Method of manufacturing split ring springs for snap fasteners | Akira Tanaka | 1989-03-07 |
| 4795444 | Syringe | Kyaji Matsui, Seiji Kita, Seiichiro Kubo, Seiichi Iida | 1989-01-03 |