Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6210804 | Direct heat-sensitive recording method and device | Mitsuru Sawano | 2001-04-03 |
| 6022664 | Light and heat sensitive recording material | Shintaro Washizu, Yuuichi Fukushige, Kimi Ikeda | 2000-02-08 |
| 5047308 | process for preparing photo- and heat-sensitive recording material | — | 1991-09-10 |
| 5028580 | Heat sensitive recording material | Akihiro Shimomura | 1991-07-02 |
| 4999333 | Heat sensitive recording material | Seiji Hatakeyama, Akihiro Shimomura, Ken Iwakura | 1991-03-12 |
| 4965166 | Multicolor recording material | Noriyuki Hosoi | 1990-10-23 |
| 4962009 | Microcapsule containing photo-oxidizing agent and leuco dye | Shintaro Washizu, Jun Yamaguchi, Fumiaki Shinozaki, Akihiro Shimomura, Toshiaki Endo +1 more | 1990-10-09 |
| 4956251 | Multicolor heat-sensitive recording material | Shintaro Washizu, Sumitaka Tatsuta, Jun Yamaguchi | 1990-09-11 |
| 4942150 | Heat-sensitive recording material | Toshiharu Tanaka, Masataka Kiritani | 1990-07-17 |
| 4929411 | Heat-sensitive recording material | Akihiro Shimomura | 1990-05-29 |
| 4865939 | Process for preparation of heat-sensitive diazo microcapsule recording material using pressure applying apparatus | Toshiharu Tanaka, Takayuki Hayashi | 1989-09-12 |
| 4857501 | Manufacturing method of a heat sensitive recording material | Akihiro Shimomura, Sumitaka Tatsuta, Seiji Hatakeyama | 1989-08-15 |
| 4845071 | Heatsensitive recording material | Akihiro Shimomura, Seiji Hatakeyama | 1989-07-04 |
| 4842979 | Black color heat-sensitive diazo microcapsule recording material with benzoylacetic amide coupler | Sadao Ishige, Hiroshi Kamikawa, Toshiharu Tanaka | 1989-06-27 |
| 4840933 | Heat sensitive recording material | Seiji Hatakeyama, Akihiro Shimomura | 1989-06-20 |
| 4820682 | Heat sensitive recording materials | Akihiro Shimomura | 1989-04-11 |
| 4783439 | Heat-sensitive recording material | Toshiharu Tanaka, Masataka Kiritani | 1988-11-08 |
| 4771032 | Heat-sensitive recording material and recording method therefor | Jun Yamaguchi, Toshiharu Tanaka, Sadao Ishige | 1988-09-13 |
| 4760048 | Multicolor heat-sensitive recording material | Nobuhiro Kurihara, Sumitaka Tatsuta, Jun Yamaguchi | 1988-07-26 |
| 4758495 | Diazo microcapsule recording material prepared using ion exchange treatment | Jun Yamaguchi, Sumitaka Tatsuta | 1988-07-19 |
| 4749679 | Heat sensitive recording materials | Shohei Yoshida, Toshiaki Endo, Sumitaka Tatsuta | 1988-06-07 |
| 4746644 | Recording material | Masataka Kiritani, Toshiharu Tanaka | 1988-05-24 |
| 4742043 | Heat-sensitive recording material | Toshiharu Tanaka | 1988-05-03 |
| 4737484 | Heat-sensitive recording material | Masayuki Iwasaki, Hiroshi Kamikawa | 1988-04-12 |
| 4722921 | Heat-sensitive recording material | Masataka Kiritani, Toshiharu Tanaka, Takayuki Hayashi | 1988-02-02 |