Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751522 | Lens layout setting apparatus for lens grinding process and display apparatus for the same | Hiroyuki Okada, Mitsuo Ishii, Jun Onose, Takahiro Watanabe, Akihiro Harada +1 more | 2004-06-15 |
| 6688944 | Spectacle lens chamfering data preparing method, spectacle lens chamfering method, spectacle lens chamfering data preparing apparatus, and spectacle lens chamfering apparatus | Yoshiyuki Hatano, Takahiro Watanabe | 2004-02-10 |