Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816246 | Method for measuring light transmittance and apparatus therefor | Toshiro Yoda | 2004-11-09 |
| 6722944 | Apparatus for and method of attaching a lens holder to a spectacle lens, and a method for producing a lens | Masahiro Jinbo, Norihisa Tanaka, Masahiko Samukawa | 2004-04-20 |