Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839270 | Rapidly processable silver halide photographic light-sensitive material | Takaaki Kojima | 1989-06-13 |
| 4830958 | Silver halide photographic light-sensitive material which is excellent in rapid processability and has not very much sensitivity variation caused by a change on standing in the preparation of the light-sensitive material | Keiji Ohbayashi, Shigeo Tanaka | 1989-05-16 |
| 4818671 | Rapidly processable silver halide color photosensitive material | Keiji Ohbayashi, Takaaki Kojima, Shigeo Tanaka | 1989-04-04 |
| 4797350 | Process for forming dye-image using a developer comprising an image stabilizer, a hydroxylamine and not containing benzyl alcohol | Keiji Ohbayashi, Shigeo Chino, Kaoru Onodera | 1989-01-10 |
| 4784829 | Contact material for vacuum circuit breaker | Eizo Naya | 1988-11-15 |
| 4784938 | Silver halide photographic light-sensitive material | Keiji Obhayashi, Shinichi Nakamura, Shigeo Tanaka, Masanobu Miyoshi, Makoto Kajiwara +2 more | 1988-11-15 |
| 4677264 | Contact material for vacuum circuit breaker | Eizo Naya, Mitsuhiro Harima, Shoji Murakami, Seiichi Miyamoto | 1987-06-30 |
| 4626282 | Contact material for vacuum circuit breaker | Eizo Naya | 1986-12-02 |
| 4575451 | Contact material for vacuum circuit breaker | Eizo Naya | 1986-03-11 |
| 4540861 | Contact material for vacuum circuit interrupter | Eizo Naya, Mitsumasa Yorita, Yasushi Takeya | 1985-09-10 |
| 4537743 | Electrode composition for vacuum switch | Takashi Yamanaka, Yasushi Takeya, Mitsumasa Yorita, Toshiaki Horiuchi, Kouichi Inagaki +2 more | 1985-08-27 |
| 4517033 | Contact material for vacuum circuit breaker | Eizo Naya, Michinosuke Demizu | 1985-05-14 |
| 4499009 | Electrode composition for vacuum switch | Takashi Yamanaka, Yasushi Takeya, Mitsumasa Yorita, Toshiaki Horiuchi, Kouichi Inagaki +2 more | 1985-02-12 |
| 4486631 | Contact for vacuum circuit breaker | Eizo Naya, Toshiaki Horiuchi, Yasushi Takeya, Kouichi Inagaki, Michinosuke Demizu | 1984-12-04 |
| 4442201 | Method for production of a silver halide photographic light-sensitive material | Syun Takada, Takashi Kadowaki, Shinichi Nakamura, Masaru Iwagaki | 1984-04-10 |
| 4424429 | Contactor for vacuum type circuit interrupter | Takashi Yamanaka, Kouichi Inagaki, Eizo Naya, Michinosuke Demizu | 1984-01-03 |
| 4407940 | Silver halide color photographic material | Shinichi Nakamura, Takashi Kadowaki, Syun Takada | 1983-10-04 |