Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5188395 | Waterproof recording material having ground patterns and its manufacturing method | Hiroshi Kawahara, Noriaki Okunaka, Mitsuru Kobayashi, Shuzo Ohara | 1993-02-23 |
| 4784919 | Transfer paper for imparting stereographic pattern and manufacturing method thereof | Shuzo Ohara | 1988-11-15 |