P

Inventor

QI HUA

JP33 patents
⚠️ This page may combine multiple inventors who share the name “QI HUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOYA CORP

15 patents
US6517201B2Feb 11, 2003

Method and apparatus for indicating spectacle lens performance

HOYA CORP20 citations92
US6012813AJan 11, 2000

Aspherical spectacle lens

HOYA CORP31 citations92
US5677750AOct 14, 1997

Apparatus for and method of simulating ocular optical system

HOYA CORP41 citations92
US6329989B1Dec 11, 2001

Ocular optical system simulating method and simulating apparatus

HOYA CORP52 citations91
US5875017AFeb 23, 1999

Ocular optical system simulation apparatus

HOYA CORP23 citations91
US10032297B2Jul 24, 2018

Simulation system, simulation device, and product explanation assistance method

HOYA CORP10 citations84
US9967555B2May 8, 2018

Simulation device

HOYA CORP10 citations84
US9772513B2Sep 26, 2017

Simulation system for wearing spectacles, a simulation device for wearing spectacles and a simulation program for wearing spectacles

HOYA CORP11 citations84
US9629539B2Apr 25, 2017

Eyeglasses-wearing simulation method, program, device, eyeglass lens-ordering system and eyeglass lens manufacturing method

HOYA CORP10 citations84
US9364142B2Jun 14, 2016

Simulation device, simulation system, simulation method and simulation program

HOYA CORP12 citations84
US7039563B2May 2, 2006

Method for simulating an ocular optical system and apparatus therefor

HOYA CORP12 citations84
US6604826B2Aug 12, 2003

Method for evaluating an ocular optical lens and apparatus and memory medium therefor

HOYA CORP16 citations82
US5825454AOct 20, 1998

Aspherical spectacle lens

HOYA CORP8 citations73
US7118215B2Oct 10, 2006

Method for determining optical value of lens of eyeglasses, process for producing lens of eyeglasses, lens of eyeglasses and its ordering/ordr receiving system

HOYA CORP2 citations63
US9709821B2Jul 18, 2017

Spectacle lens and method for designing the same, method for manufacturing spectacle lens, and program

HOYA CORP0 citations42

HOYA LENS THAILAND LTD

15 patents

QI HUA

2 patents

KITANI AKIRA

1 patent