Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336553 | Ink ribbon for printer and ink therefor | Masayuki Tanaka, Masayuki Kubota, Chiaki Sekioka, Minako Sato, Hisashi Uemura | 1994-08-09 |
| 5259875 | Ink ribbon for printer and ink therefor | Masayuki Tanaka, Masayuki Kubota, Chiaki Sekioka, Minako Sato, Hisashi Uemura | 1993-11-09 |
| 5211490 | Ink ribbon cassette with re-inking and drive gear | Masaru Sugie, Masayuki Kubota, Chiaki Sekioka, Hiroki Ohta | 1993-05-18 |
| 5135803 | Ink ribbon for printer and ink therefor | Masayuki Tanaka, Masayuki Kubota, Chiaki Sekioka, Minako Sato, Hisashi Uemura | 1992-08-04 |