Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6899752 | Latent image printing ink composition, prints containing latent images recorded with the ink composition, and latent image data-based deciphering method and latent image data deciphering device | Muneo Maetani, Yoichi Hirasawa | 2005-05-31 |
| 6296713 | Erasing method | Masaru Sugie, Yoshiaki Yanagida, Hisashi Uemura, Masayuki Kubota, Hirobumi Haga | 2001-10-02 |
| 6071352 | Erasing method and erasing apparatus for performing that erasing method | Masaru Sugie, Yoshiaki Yanagida, Hisashi Uemura, Masayuki Kubota, Hirobumi Haga | 2000-06-06 |
| 6030440 | Water-based pigment-type ink and ink jet printer | Masaru Sugie, Kohei Kiyota, Hiroyuki Ohyama | 2000-02-29 |
| 5915859 | Pivotable ink ribbon cassette and a printer | Masayuki Kubota, Junji Akutsu, Masaru Sugie, Yasuhiro Ite | 1999-06-29 |
| 5336553 | Ink ribbon for printer and ink therefor | Masayuki Tanaka, Hiromichi Suzawa, Masayuki Kubota, Minako Sato, Hisashi Uemura | 1994-08-09 |
| 5259875 | Ink ribbon for printer and ink therefor | Masayuki Tanaka, Hiromichi Suzawa, Masayuki Kubota, Minako Sato, Hisashi Uemura | 1993-11-09 |
| 5211490 | Ink ribbon cassette with re-inking and drive gear | Hiromichi Suzawa, Masaru Sugie, Masayuki Kubota, Hiroki Ohta | 1993-05-18 |
| 5135803 | Ink ribbon for printer and ink therefor | Masayuki Tanaka, Hiromichi Suzawa, Masayuki Kubota, Minako Sato, Hisashi Uemura | 1992-08-04 |