Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8709553 | Patterned birefringent product | Osamu Sawanobori, Kouki Takahashi, Satomi Suzuki, Masao Nakajima, Hideki Kaneiwa | 2014-04-29 |
| 8648987 | Transparent product that gives image only at one side | Kouki Takahashi, Satomi Suzuki, Hideki Kaneiwa | 2014-02-11 |
| 8514354 | Patterned birefringent product | Kouki Takahashi, Takeshi Fujii | 2013-08-20 |