Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985396 | Dye transfer type thermal printing sheets | Tetsuji Kawakami, Akihiro Imai, Nobuyoshi Taguchi, Takao Hirota | 1991-01-15 |
| 4981748 | Heat transfer recording sheet | Yutaka Kawai, Yukio Tsuge, Masahiro Yamamoto | 1991-01-01 |
| 4954478 | Thermal dye transfer sheet | Nobuyoshi Taguchi, Akihiro Imai, Takao Hirota | 1990-09-04 |
| 4829047 | Dye transfer sheet for sublimation heat-sensitive transfer recording | Toshio Niwa, Shuichi Maeda | 1989-05-09 |
| 4829049 | Transfer sheet for heat sensitive transfer recording | Shuichi Maeda | 1989-05-09 |
| 4820685 | Transfer sheets for thermal transfer recording | — | 1989-04-11 |
| 4816435 | Transfer sheet for thermal transfer recording | Shuichi Maeda | 1989-03-28 |
| 4777159 | Dye transfer type thermal printing sheets and method for printing | Nobuyoshi Taguchi, Akihiro Imai, Toshio Niwa | 1988-10-11 |
| 4771035 | Transfer sheets for thermal transfer recording | Shuichi Maeda | 1988-09-13 |
| 4748151 | Heat transfer recording sheet | Takao Hirota, Hiroshi Urabe | 1988-05-31 |
| 4737443 | Optical recording medium | Toshio Niwa, Tetsuo Ozawa, Shuichi Maeda, Yutaka Kurose | 1988-04-12 |
| 4657557 | Sheets for sublimation transfer recording | Toshio Niwa, Takashi Morishima | 1987-04-14 |
| 4614521 | Transfer recording method using reactive sublimable dyes | Toshio Niwa, Shuichi Maeda | 1986-09-30 |
| 4268671 | Fluorescent dyes | Seiichi Imahori, Syuichi Maeda, Sumio Suzuki | 1981-05-19 |