Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318874 | O-naphthoquinone diazide photosensitive coating composition containing a polyvinyl pyrrolidone compound and a stannic halide | Shinichi Yamamoto, Naohiko Kiryu, Akiko Yamazaki | 1994-06-07 |
| 5316843 | Matted film containing a matting agent consisting of an organic filler and an inorganic filler | Naohiko Kiryu, Shinichi Yamamoto, Tatuhiko Higami | 1994-05-31 |
| 5262219 | Composite film having slippery, electrically conducting surface | Shinichi Yamamoto, Haruo Hatakeyama | 1993-11-16 |
| 5053268 | Composite paper | Ryohei Ehara | 1991-10-01 |