Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12072250 | Thin film sensor | Kenji Matsumoto | 2024-08-27 |
| 9891035 | Distance sensor and measurement method | Kenji Matsumoto | 2018-02-13 |
| 6333143 | Image-forming method | Takeshi Shibata | 2001-12-25 |
| 5804362 | Silver halide photographic material | Koichi Kuno | 1998-09-08 |
| 5700622 | Platemaking process with heat developable silver salt diffusion transfer | Hiroyuki Hirai | 1997-12-23 |
| 5604089 | Silver halide photographic material | Akihiko Ikegawa | 1997-02-18 |
| 5571662 | Silver halide photographic material | Tadashi Ikeda, Yoshio Inagaki, Takashi Kato | 1996-11-05 |
| 5396036 | Roller contact device | Kazuo Yoshida | 1995-03-07 |
| 5338656 | Silver halide photographic material | Akihiko Ikegawa, Masaki Okazaki | 1994-08-16 |
| 5288604 | Silver halide photographic material and method for developing the same | Takashi Kato, Takanori Hioki | 1994-02-22 |
| 5229262 | Silver halide photographic material and method for processing the same | Tsutomu Arai, Masaki Okazaki | 1993-07-20 |
| 5149619 | Silver halide photographic emulsion | Toshinao Ukai | 1992-09-22 |
| 5106990 | Indolenine derivatives as dyes | Shigeru Ohno, Keiichi Adachi | 1992-04-21 |
| 5075205 | Silver halide photographic material | Yoshio Inagaki, Keiichi Adachi, Keisuke Shiba | 1991-12-24 |
| 4965182 | Silver halide photographic emulsion containing infrared sensitizing dyes and supersensitizing compounds | — | 1990-10-23 |
| 4923638 | Near infrared absorbing composition | Shigeru Ohno, Keiichi Adachi, Toshinao Ukai, Gouichi Hayashi | 1990-05-08 |
| 4879204 | Silver halide photographic element containing anhydazine compound and specific dyes | Kunio Ishigaki, Toshiro Takahashi, Keiichi Adachi, Shigeru Ohno, Masahiro Okada +1 more | 1989-11-07 |
| 4839265 | Silver halide photosensitive material containing an infrared absorption dye | Shigeru Ohno, Keiichi Adachi | 1989-06-13 |
| 4820625 | Direct positive silver halide photographic material | Naomi Saeki, Nobuaki Inoue, Toshinao Ukai | 1989-04-11 |
| 4801525 | Infrared sensitized silver halide light-sensitive element with mordant dye over layer | Kunio Ishigaki | 1989-01-31 |
| 4692874 | Electronic watt-hour meter | — | 1987-09-08 |
| 4677053 | Silver halide photographic materials | Toshinao Ukai | 1987-06-30 |
| 4634653 | Direct positive silver halide photographic emulsion | Ichizo Toya, Haruo Takei | 1987-01-06 |
| 4596767 | Silver halide photographic light-sensitive material | Toshinao Ukai, Shoji Ishiguro | 1986-06-24 |
| 4571380 | Spectrally sensitized inner latent image type silver halide photographic emulsions | Yasuhiro Noguchi | 1986-02-18 |