Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879076 | Process for the production of polyethylene materials | Akira Sano, Seizo Kobayashi, Kazuo Matsuura, Takeshi Kamiya | 1989-11-07 |
| 4859576 | Silver halide photographic material comprising a protective layer containing a polyoxyethylene surface active agent | Nobuaki Miyasaka, Shuzo Suga, Takashi Naoi, Masaki Satake | 1989-08-22 |
| 4812355 | Finish laminates for high frequency circuits | Takeshi Kamiya, Takeo Niikawa, Masakatsu Nagase, Tetujiro Kuroishi | 1989-03-14 |