Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794334 | Thermo reversible recording medium, member having information memorizing part, thermo reversible recording label, method of and apparatus for image processing | Yoshihiko Hotta, Kunichika Moroboshi, Fumio Kawamura, Katsushi Sugiyama, Katsuaki Kokubo +2 more | 2004-09-21 |
| 6489265 | Reversible thermosensitive recording medium, method of producing the medium, information recording devices using the medium, and image formation and erasing method using the medium | Yoshihiko Hotta, Kunichika Moroboshi, Masafumi Torii, Kunitoshi Sugiyama, Hideyuki Kobori +4 more | 2002-12-03 |
| 6362130 | Reversible thermosensitive recording medium, card, label, disk, disk cartridge, tape cassette, method of producing the recording medium, and method of recording and erasing images using the same | Yoshihiko Hotta, Kunichika Morohoshi, Masafumi Torii, Kunitoshi Sugiyama, Hideyuki Kobori +4 more | 2002-03-26 |
| 6174836 | Reversible thermosensitive recording medium, method of producing the medium, information recording devices using the medium, and image formation and erasing method using the medium | Yoshihiko Hotta, Kunichika Moroboshi, Masafumi Torii, Kunitoshi Sugiyama, Hideyuki Kobori +4 more | 2001-01-16 |
| 6137027 | Solid waste treatment agent and treatment method of solid waste | Masatake Kawashima, Takashi Ogawa, Kazuhiro Terada, Hiroyuki Okayama, Katsushi Sugiyama +1 more | 2000-10-24 |
| 6090192 | Reversible thermosensitive coloring composition and reversible thermosensitive recording medium using same | Masafumi Torii, Hiroaki Matsui, Hiromi Furuya, Fumio Kawamura, Kyoji Tsutsui +4 more | 2000-07-18 |
| 5955225 | Reversible thermosensitive coloring composition and reversible thermosensitive recording medium using same | Hiromi Furuya, Masafumi Torii, Masaru Shimada, Fumio Kawamura, Kyoji Tsutsui +4 more | 1999-09-21 |
| 5942377 | Reversible thermosensitive composition and reversible thermosensitive recording medium using same | Masafumi Torii, Tadafumi Tatewaki, Hiroaki Matsui, Hiromi Furuya, Kyoji Tsutsui +5 more | 1999-08-24 |
| 5891823 | Reversible thermosensitive recording medium | Masafumi Torii, Hiroaki Matsui, Hiromi Furuya, Fumio Kawamura, Kyoji Tsutsui +4 more | 1999-04-06 |
| 5868821 | Thermally reversible color forming composition and thermally reversible recording medium using the thermally reversible color forming composition | Masafumi Torii, Shoji Maruyama, Fumio Kawamura, Hiromi Furuya, Kyoji Tsutsui +6 more | 1999-02-09 |
| 5395896 | Metal scavengers and processes for the production thereof | Masafumi Moriya, Masatoshi Yoshida, Ariaki Ohi | 1995-03-07 |
| 5387365 | Metal scavengers for treating waste water | Masafumi Moriya, Masatoshi Yoshida, Masayoshi Tsukanome | 1995-02-07 |
| 5347071 | Process for the removal of heavy metals from contaminants | Masafumi Moriya, Masatoshi Yoshida, Masayoshi Tsukanome | 1994-09-13 |
| 4731187 | Removal of heavy metals from waste water | Masafumi Moriya, Akira Nishimura, Takao Imachi | 1988-03-15 |
| 4670160 | Metal scavenger and metal scavenging process | Masafumi Moriya, Akira Nishimura, Takao Imachi | 1987-06-02 |
| 4670180 | Metal scavenger and metal scavenging process | Masafumi Moriya, Akira Nishimura, Takao Imachi | 1987-06-02 |