Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876173 | Photopolymerizable composition on polyethylene terephthalate film support | Kazuo Maemoto, Masayuki Iwasaki, Yoshimasa Aotani | 1989-10-24 |
| 4853204 | Method for production of oxidation-resistant silicon nitride material | Nobuyuki Azuma, Kazuo Nakamura | 1989-08-01 |
| 4842359 | Optical star coupler and method of manufacturing the same | Katsuyuki Imoto, Masayoshi Kameyama, Yasushi Ikuta, Hiroshi Araki, Shigeru Oho | 1989-06-27 |
| 4842840 | Method for production of oxidation-resistant sialon and silicon carbide materials | Nobuyuki Azuma, Kazuo Nakamura, Mamoru Yamada | 1989-06-27 |
| 4837106 | Recording materials containing photopolymerizable composition and component capable of causing a color reaction in microcapsules | Shun-ichi Ishikawa, Tadao Imagawa, Fumiaki Shinozaki | 1989-06-06 |
| 4818995 | Parallel transmission system | Yoshitaka Takahashi, Yasushi Takahashi, Yukio Nakano, Akihiro Hori, Yoshihiko Miyano +2 more | 1989-04-04 |