Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415932 | Water-based paint, ceramics, and method of decoration | Kenji Nakamura, Junya Okawa | 2025-09-16 |
| 7845088 | Lens shape measuring method and lens shape measuring apparatus | — | 2010-12-07 |
| 6959227 | 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 | 2005-10-25 |
| 6945848 | Lens shape data processing apparatus and lens grinding machine having the same apparatus | Takahiro Watanabe, Yoshiyuki Hatano, Yasuhito Eto, Takumi Uchiyama, Kenichi Watanabe | 2005-09-20 |
| 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 |
| 6588898 | Apparatus for displaying lens contour, apparatus for processing lens contour data, and apparatus for grinding edge of eyeglass lens with the same | Tatsuro Yokoi, Takeshi Nakamura, Yoshiyuki Hatano, Yasuo Suzuki | 2003-07-08 |
| 6019669 | Lens shape measuring apparatus | Ikuo Kitao, Yoshiyuki Hatano, Takeshi Nakamura, Hisao Fujinuma, Shinji Uno +1 more | 2000-02-01 |
| 5984763 | Lens shape measuring apparatus | Ikuo Kitao, Yoshiyuki Hatano, Takeshi Nakamura, Hisao Fujinuma, Shinji Uno +1 more | 1999-11-16 |
| 5895314 | Lens shape measuring apparatus | Ikuo Kitao, Yoshiyuki Hatano, Takeshi Nakamura, Hisao Fujinuma, Shinji Uno +1 more | 1999-04-20 |