Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422695 | Spectacle lens | — | 2025-09-23 |
| 7986481 | Magnetic reproducing method for suppressing low temperature noise | Noboru Yamanaka, Yoshihiro Kudo, Eric Cheuk Wing Leung, Chris Leung, Leo Wai Kay Lau +1 more | 2011-07-26 |