Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5472286 | Ink ribbon cassette | Hisashi Uemura, Masaru Sugie, Masayuki Kubota, Junji Akutsu | 1995-12-05 |
| 5336553 | Ink ribbon for printer and ink therefor | Masayuki Tanaka, Hiromichi Suzawa, Masayuki Kubota, Chiaki Sekioka, Hisashi Uemura | 1994-08-09 |
| 5259875 | Ink ribbon for printer and ink therefor | Masayuki Tanaka, Hiromichi Suzawa, Masayuki Kubota, Chiaki Sekioka, Hisashi Uemura | 1993-11-09 |
| 5135803 | Ink ribbon for printer and ink therefor | Masayuki Tanaka, Hiromichi Suzawa, Masayuki Kubota, Chiaki Sekioka, Hisashi Uemura | 1992-08-04 |
| 4609680 | Process for the depolymerization of polyester scrap | Akiharu Fujita, Masashige Murakami | 1986-09-02 |