P

Inventor

KAGA TADASHI

JP39 patents
⚠️ This page may combine multiple inventors who share the name “KAGA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

16 patents
US6199983B1Mar 13, 2001

Apparatus and method for manufacturing a progressive multi-focal lens

SEIKO EPSON CORP78 citations96
US5926250AJul 20, 1999

Multifocal lens for eyeglass and eyeglass lens

SEIKO EPSON CORP61 citations96
US8042942B2Oct 25, 2011

Progressive-power lens

SEIKO EPSON CORP16 citations92
US7874673B2Jan 25, 2011

Progressive power lens and method of designing the same

SEIKO EPSON CORP22 citations92
US5886766AMar 23, 1999

Progressive multifocal lens and manufacturing method therefor

SEIKO EPSON CORP27 citations92
US7070274B2Jul 4, 2006

Spectacle lens

SEIKO EPSON CORP22 citations90
US7527376B2May 5, 2009

Method for designing spectacle lens, spectacle lens, and spectacles

SEIKO EPSON CORP12 citations81
US7717559B2May 18, 2010

Method for designing spectacle lens, and spectacles

SEIKO EPSON CORP7 citations73
US7159982B2Jan 9, 2007

Method for providing design data and system for providing design data

SEIKO EPSON CORP9 citations73
US7762663B2Jul 27, 2010

Spectacle lens design method

SEIKO EPSON CORP2 citations63
US7422325B2Sep 9, 2008

Method of designing a spectacle lens

SEIKO EPSON CORP3 citations63
US7175277B2Feb 13, 2007

Generation system of design data, generation method of design data, recording medium and program

SEIKO EPSON CORP4 citations63
US7125118B2Oct 24, 2006

Progressive multifocal lens and method of designing the same

SEIKO EPSON CORP7 citations63
US7048376B2May 23, 2006

Progressive addition power lens

SEIKO EPSON CORP4 citations63
US6851806B2Feb 8, 2005

Progressive multifocal lens and method of designing the same

SEIKO EPSON CORP2 citations63
US5745211AApr 28, 1998

Progressive power lens and eye glass lens

SEIKO EPSON CORP4 citations62

HOYA LENS THAILAND LTD

8 patents

KAGA TADASHI

5 patents

SHINOHARA TOSHIHIDE

3 patents

WADA OSAMU

2 patents

HONDA MOTOR CO LTD

2 patents

SEIKO EPSON CORP HQ

1 patent

KATO KAZUTOSHI

1 patent

EHS LENS PHILIPPINES INC

1 patent