Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722944 | Apparatus for and method of attaching a lens holder to a spectacle lens, and a method for producing a lens | Hisanori Akiyama, Norihisa Tanaka, Masahiko Samukawa | 2004-04-20 |