Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368962 | Masking film | Hiroshi Maruyama, Etsuko Minezaki, Yoshinori Watanabe | 1994-11-29 |
| 5318874 | O-naphthoquinone diazide photosensitive coating composition containing a polyvinyl pyrrolidone compound and a stannic halide | Shinichi Yamamoto, Masatoshi Tomiki, Akiko Yamazaki | 1994-06-07 |
| 5316843 | Matted film containing a matting agent consisting of an organic filler and an inorganic filler | Shinichi Yamamoto, Masatoshi Tomiki, Tatuhiko Higami | 1994-05-31 |