Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368999 | Silver halide emulsion and silver halide photographic light-sensitive material using the same | — | 1994-11-29 |
| 5290674 | Silver halide photographic material | Katsumi Hirano | 1994-03-01 |
| 5282307 | Metallic ornamental plate manufacturing method | Osamu Toyoda | 1994-02-01 |
| 5134037 | Metallic powder molded article and manufacturing method therefor | — | 1992-07-28 |
| 4853322 | Light-sensitive silver halide emulsion and color photographic materials using the same | Yuichi Ohashi, Hiroshi Takehara, Yoichi Suga, Takekimi Shiozawa | 1989-08-01 |
| 4835095 | Photosensitive tabular core/shell silver halide emulsion | Yuichi Ohashi, Yoshihiko Shibahara, Hiroshi Takehara | 1989-05-30 |
| 4806459 | Color photographic material yellow and cyan dye forming couplers and compound which produces a diffusible development inhibitor or a precursor in a blue sensitive layer | Noboru Sasaki, Koji Takahashi | 1989-02-21 |
| 4709308 | Lighting device for an elevator | — | 1987-11-24 |
| 4704662 | Lighting device for an elevator | — | 1987-11-03 |
| 4666743 | Method for manufacturing a decorative sheet | Kazutoshi Ohta, Kenichi Takemoto | 1987-05-19 |
| 4575481 | Light-sensitive material for color diffusion transfer with mixed oxidized developer scavenger particles | Osamu Takahashi | 1986-03-11 |