Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5434039 | Support member for photographic printing paper and method for manufacturing the same | Kozo Nagata, Yasuhiro Ogata | 1995-07-18 |
| 5376495 | Light-sensitive heat-sensitive recording material | Shintaro Washizu, Jun Yamaguchi, Kazuyuki Koike, Keiichiro Ozawa | 1994-12-27 |
| 5258277 | Support member for photographic printing paper | Yasuhiro Ogata | 1993-11-02 |
| 5139870 | Photographic support | Kazuyuki Koike, Keisuke Shiba | 1992-08-18 |
| 4948719 | Photographic support | Kazuyuki Koike, Keisuke Shiba | 1990-08-14 |
| 4940656 | Photographic support | Shigehisa Tamagawa | 1990-07-10 |
| 4908295 | Photographic support | Kazuyuki Koike | 1990-03-13 |
| 4904635 | Heat-sensitive recording paper | Shigehisa Tamagawa | 1990-02-27 |
| 4894321 | Photographic support and color photosensitive material | Tadashi Ogawa, Masaru Sano, Seiichi Taguchi, Keisuke Shiba | 1990-01-16 |
| 4876170 | Light-sensitive material comprising light-sensitive layer containing microcapsules provided on specific paper support | Shigehisa Tamagawa, Masayuki Kuroishi | 1989-10-24 |
| 4859577 | Photographic support | Shigehisa Tamagawa | 1989-08-22 |
| 4851327 | Photographic color photosensitive material with two layer reflective support | Masaru Sano, Seiichi Taguchi, Keisuke Shiba, Tadashi Ogawa | 1989-07-25 |
| 4830928 | Support for photographic paper | Shigehisa Tamagawa | 1989-05-16 |
| 4803191 | Heat-sensitive recording paper | Shigehisa Tamagawa | 1989-02-07 |
| 4800192 | Heat-sensitive recording paper | Shigehisa Tamagawa | 1989-01-24 |
| 4791093 | Heat-sensitive recording sheet | Shigehisa Tamagawa, Kazuyuki Koike | 1988-12-13 |
| 4771031 | Heat-sensitive recording paper | Shigehisa Tamagawa | 1988-09-13 |
| 4762816 | Heat-sensitive recording paper | Shigehisa Tamagawa | 1988-08-09 |
| 4749678 | Heat-sensitive recording paper | Shigehisa Tamagawa | 1988-06-07 |
| 4705746 | Photographic polyolefin coated paper | Shigehisa Tamagawa | 1987-11-10 |
| 4686546 | Heat-sensitive recording paper | Kazuyuki Koike, Shigehisa Tamagawa | 1987-08-11 |
| 4682191 | Heat-sensitive recording paper | Shigehisa Tamagawa | 1987-07-21 |
| 4678742 | Photographic printing paper support | Shigehisa Tamagawa, Hisamasa Abe | 1987-07-07 |
| 4659430 | Process for making a photographic support | Shigehisa Tamagawa | 1987-04-21 |
| 4654261 | Support of photographic paper | Takashi Takayanagi, Yasuzi Asao, Tetusji Jitsumatsu, Kiyoshi Murase, Hiroyuki Kato | 1987-03-31 |