Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840500 | Thermal transfer printer having an improved thermal head to improve ink transfer eveness | Yoshihito Takahashi, Akiyoshi Hakoyama, Katsumasa Mikami, Masafumi Suzaki, Takeo Honma +3 more | 1989-06-20 |
| 4810387 | Method for removing water soluble substances in non-water-soluble fluid | Shinji Uchiyama, Yoshihisa Nagata | 1989-03-07 |