Issued Patents 1994
Showing 1–2 of 2 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 |