Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10350791 | Master manufacturing method, master, and optical body | Hideki Terashima, Yuichi Arisaka | 2019-07-16 |
| 10288940 | Optical element, projection type image display apparatus, and original recording | Kazuya Hayashibe | 2019-05-14 |
| 10207470 | Cylindrical base, master and master manufacturing method | Yutaka Muramoto, Masanao Kikuchi, Takaaki Otowa, Yasuhiro Takahashi | 2019-02-19 |