Issued Patents All Time
Showing 176–200 of 216 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801524 | Process for preparing silver halide emulsion and photographic light-sensitive material containing said emulsion | Hiroyuki Mifune, Tadao Shishido | 1989-01-31 |
| 4791023 | Infrared absorbent and optical material using the same | Gouichi Hayashi, Masayoshi Tsuboi | 1988-12-13 |
| 4767571 | Infrared absorbent | Gouichi Hayashi | 1988-08-30 |
| 4763966 | Infrared absorbent | Gouichi Hayashi | 1988-08-16 |
| 4761181 | Method for stabilizing organic base substances to light | — | 1988-08-02 |
| 4731682 | Signal recording and/or reproducing system having a cassette storing and transporting arrangement therein | Hiraku Nishiyama, Hideki Hama, Masashi Takehana | 1988-03-15 |
| 4730902 | Infrared absorbent | Gouichi Hayashi | 1988-03-15 |
| 4713321 | Process for preparing silver halide emulsion utilizing a photographically useful additive capable of being deactivated and a deactivating agent therefor and silver halide photographic material prepared by the process | Hiroyuki Mifune, Tadao Shishido | 1987-12-15 |
| 4681838 | Silver halide photographic emulsion and process for production thereof | Hiroyuki Mifune, Tadao Shishido | 1987-07-21 |
| 4665017 | Process for preparing silver halide emulsion and silver halide photographic light-sensitive material | Hiroyuki Mifune, Tadao Shishido | 1987-05-12 |
| 4619026 | Apparatus for assembling cable drum | — | 1986-10-28 |
| D281482 | Winding reel | — | 1985-11-26 |
| 4495611 | Vibration system of pickup cartridge of record player | — | 1985-01-22 |
| 4471084 | Diaphragm for loudspeakers | Toshikatsu Kuwahata, Nobuo Fuke, Toshihiro Fukuhara | 1984-09-11 |
| 4436352 | Kitchen furnishings | Yoshio Okada, Ryohei Murakami, Yoshiaki Segawa | 1984-03-13 |
| 4425205 | Process for regenerating electroless plating bath and a regenerating apparatus of electroless plating bath | Hideo Honma, Yasuhiro Matsumoto | 1984-01-10 |
| 4419388 | Waterproofing method for ink jet records | Masatoshi Sugiyama, Ichiro Nakanishi | 1983-12-06 |
| 4395483 | Direct positive type silver halide photosensitive material | Terumi Matsuda, Shoji Ishiguro, Shigenori Moriuchi | 1983-07-26 |
| 4346165 | Process for improving light fastness of color images | Satoru Sawada, Shigeru Oono, Nobuo Seto, Kotaro Nakamura, Nobuo Furutachi | 1982-08-24 |
| 4343886 | Method for stabilizing dye images in color photographic sensitive materials using a ligand as a dye image stabilizer precursor in combination with metal ions | Kotaro Nakamura, Seiiti Kubodera, Satoru Sawada, Hiroshi Hara, Shigeru Oono | 1982-08-10 |
| 4301223 | Method of stabilizing organic substrate materials to light | Kotaro Nakamura, Hiroshi Hara, Satoru Sawada, Shigeru Oono | 1981-11-17 |
| 4273854 | Method for improving the light fastness of organic substrate materials including photographic dye images | Hiroshi Hara, Kotara NAKAMURA | 1981-06-16 |
| 4271253 | Method for stabilizing organic substrate materials including photographic dye images to light and photographic material so stabilized | Hiroshi Hara, Kotaro Nakamura | 1981-06-02 |
| 4271252 | Method of stabilizing organic substrate materials including photographic dye images to light and a photographic material so stabilized | Hiroshi Hara, Kotaro Nakamura | 1981-06-02 |
| 4269926 | Stabilization of organic substrate materials including photographic dye images against the action of light | Hiroshi Hara, Kotaro Nakamura | 1981-05-26 |