Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8670088 | Optical sheet comprising a base composed of a stack of transmissive sheets, and a back-light device and liquid crystal device incorporating the optical sheet | Eiji Ohta, Toru Abiko, Hirokazu Odagiri, Katsuhiro Doi, Makoto Aoki +2 more | 2014-03-11 | $288,000 |
| 7404998 | Synthetic resin card and method of producing the same | Eiji Ohta, Shinichi Matsumura | 2008-07-29 | $886,000 |
| 6714114 | Magnetic sticking sheet and method of producing same | Shinichi Matsumura, Kazuto Kawamata, Eiji Ohta | 2004-03-30 | $1,447,000 |
| 6693506 | Magnetic sticking sheet and method of producing same | Shinichi Matsumura, Kazuto Kawamata, Eiji Ohta | 2004-02-17 |