Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8399156 | Volume phase hologram recording material and optical information recording medium using the same | Hidetaka Fujimatsu, Kazuyoshi Masaki, Takehiro Shimizu, Yasuji Shichijo | 2013-03-19 |