TI

Toshihiro Iwai

TO Topcon: 9 patents #91 of 684Top 15%
DP Daio Paper: 1 patents #126 of 258Top 50%
EP Ehime Prefecture: 1 patents #24 of 34Top 75%
Overall (All Time): #486,071 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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