Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883842 | Resin composition | Jiro Sakai, Tomohisa Fukao, Kizuku Wakatsuki, Kazuki Wakamatsu | 1989-11-28 |
| 4863844 | Gold and sulfur sensitized silver halide light-sensitive photographic material | Mitsuhiro Okumura, Keiji Ohbayashi | 1989-09-05 |
| 4863846 | Silver halide photographic light-sensitive material | Mitsuhiro Okumura, Makoto Kajiwara, Masanobu Miyoshi | 1989-09-05 |
| 4848214 | Supply and return air plenum unit for duct air-conditioning systems | Teruyuki Nagao | 1989-07-18 |
| 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 | Mitsuhiro Okumura, Keiji Ohbayashi | 1989-05-16 |
| 4818671 | Rapidly processable silver halide color photosensitive material | Keiji Ohbayashi, Mitsuhiro Okumura, Takaaki Kojima | 1989-04-04 |
| 4815362 | Diffuser unit for air conditioning system | Yutaka Ishizuka, Masanori Kaizaki | 1989-03-28 |