Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7232791 | Multicolored thermally recording medium | Tatsuo Nagai, Kaoru Hamada, Takashi Sasaki | 2007-06-19 |
| 7081435 | Thermal recording medium | Takanori Otsuhata | 2006-07-25 |
| 6579828 | Multi chromatic thermally sensitive recording medium | Kaoru Hamada, Yoshimi Midorikawa, Yoshihide Kimura | 2003-06-17 |
| 6432874 | Thermally sensitive recording medium | Kaoru Hamada, Kunio Takebayashi, Hidenori Ogawa, Yoshimi Midorikawa, Reiko Sato +1 more | 2002-08-13 |
| 6410479 | Thermally sensitive recording medium | Kaoru Hamada, Daisuke Imai, Hidenori Ogawa, Yuji Tsuzuki, Reiko Sato +1 more | 2002-06-25 |
| 6303540 | Thermally sensitive recording medium | Kaoru Hamada, Yuji Tsuzuki, Yoshihide Kimura, Tomoaki Nagai, Yutaka Wakita | 2001-10-16 |
| 6093678 | Spontaneously color changing type thermal sensitive recording medium | Kaoru Hamada, Tomoaki Nagai, Reiko Sato, Yutaka Wakita | 2000-07-25 |
| 5811368 | Thermal sensitive recording medium | Kaoru Hamada, Tomoaki Nagai, Nobuhiro Kudoh, Akio Sekine | 1998-09-22 |
| 5446009 | Thermal recording sheet | Toshiaki Minami | 1995-08-29 |
| 5405821 | Thermal recording sheet | Toshiaki Minami | 1995-04-11 |
| 5206209 | Heat-sensitive recording sheet | Toshiaki Minami, Toshio Kaneko | 1993-04-27 |
| 5120702 | Heat-sensitive recording material | Toshiaki Minami, Toshio Kaneko | 1992-06-09 |
| 5118656 | Heat-sensitive recording sheet | Toshiaki Minami, Reiji Ohashi, Toshio Kaneko | 1992-06-02 |
| 5096873 | Thermosensitive recording sheet | Toshiaki Minami, Toshio Kaneko, Fumio Fujimura, Kazuto Tsukinuki, Kazumi Saeki +1 more | 1992-03-17 |
| 5066634 | Heat-sensitive recording sheet | Toshiaki Minami, Reiji Ohashi, Toshio Kaneko | 1991-11-19 |
| 4971942 | Heat-sensitive recording material | Toshio Kaneko, Toshiaki Minami, Fumio Fujimura | 1990-11-20 |
| 4853362 | Heat-sensitive recording sheet | Toshimi Satake, Toshiaki Minami, Tomoaki Nagai, Toshio Kaneko, Fumio Fujimura | 1989-08-01 |
| 4590499 | Heat-sensitive recording sheet | Fumio Fujimura, Toshimi Satake, Manabu Mori, Toshiaki Minami | 1986-05-20 |