Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8257784 | Methods for identifying articles of manufacture | Benjamin Alan Grayson, Minjuan Zhang, Yasuo Uehara, Masahiko Ishii | 2012-09-04 |
| 8196823 | Optical lock systems and methods | Benjamin Alan Grayson, Minjuan Zhang, Yasuo Uehara, Masahiko Ishii | 2012-06-12 |