Koichi Oka

Person

Shiga, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Measurement system for evaluating moving image quality of displays
- Patent number 7,847,819
- Issue date Dec 7, 2010
- Otsuka Electronics Co., Ltd.
- Koichi Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for evaluating moving image quality of displays
- Patent number 7,483,550
- Issue date Jan 27, 2009
- Otsuka Electronics Co., Ltd.
- Koichi Oka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display evaluation method and apparatus
- Patent number 7,394,483
- Issue date Jul 1, 2008
- Otsuka Electronics Co., Ltd.
- Koichi Oka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Optical cell measurement apparatus
- Patent number 7,251,035
- Issue date Jul 31, 2007
- Otsuka Electronics Co., Ltd.
- Koichi Oka
- G01 - MEASURING TESTING
Information Patent Grant
Method of and apparatus for determining the amount of impurity in gas
- Patent number 7,176,464
- Issue date Feb 13, 2007
- Otsuka Electronics Co., Ltd.
- Koichi Oka
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for measuring characteristics of optical angle
- Patent number 6,636,308
- Issue date Oct 21, 2003
- Otsuka Electronics Co., Ltd.
- Kazunori Tsutsui
- G01 - MEASURING TESTING
Information Patent Grant
NMR measuring method and measuring apparatus for tissue of a living...
- Patent number 5,183,045
- Issue date Feb 2, 1993
- Otsuka Electronic Co., Ltd.
- Susumu Takamura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Differential refractometer
- Patent number 5,157,454
- Issue date Oct 20, 1992
- Otsuka Electronics Co., Ltd.
- Koichi Oka
- G01 - MEASURING TESTING
Information Patent Grant
Light scattering measuring apparatus utilizing a photodetector moun...
- Patent number 5,113,083
- Issue date May 12, 1992
- Otsuka Electronics Co., Ltd.
- Koichi Oka
- G01 - MEASURING TESTING
Information Patent Grant
Particle size measuring system
- Patent number 5,015,094
- Issue date May 14, 1991
- Otsuka Electronics Co., Ltd.
- Koichi Oka
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Method and system for evaluating moving image quality of displays
- Publication number 20070024627
- Publication date Feb 1, 2007
- Koichi Oka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Method of evaluating motion picture display performance, inspection...
- Publication number 20060279633
- Publication date Dec 14, 2006
- Koichi Oka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for measuring/evaluating moving image quality of...
- Publication number 20060160436
- Publication date Jul 20, 2006
- Koichi Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of and apparatus for determining the amount of impurity in gas
- Publication number 20060011844
- Publication date Jan 19, 2006
- OTSUKA ELECTRONICS CO., LTD.
- Koichi Oka
- G01 - MEASURING TESTING
Information Patent Application
Measurement system for evaluating moving image quality of displays
- Publication number 20060007313
- Publication date Jan 12, 2006
- Koichi Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical cell measurement apparatus
- Publication number 20050280825
- Publication date Dec 22, 2005
- OTSUKA ELECTRONICS CO., LTD.
- Koichi Oka
- G01 - MEASURING TESTING
Information Patent Application
Display evaluation method and apparatus
- Publication number 20050259153
- Publication date Nov 24, 2005
- OTSUKA ELECTRONICS CO., LTD.
- Koichi Oka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Measurement system for evaluating moving image quality of displays

Method and system for evaluating moving image quality of displays

Display evaluation method and apparatus

Optical cell measurement apparatus

Method of and apparatus for determining the amount of impurity in gas

Apparatus for measuring characteristics of optical angle

NMR measuring method and measuring apparatus for tissue of a living...

Differential refractometer

Light scattering measuring apparatus utilizing a photodetector moun...

Particle size measuring system

Patents Applicationslast 30 patents

Method and system for evaluating moving image quality of displays

Method of evaluating motion picture display performance, inspection...

System and method for measuring/evaluating moving image quality of...

Method of and apparatus for determining the amount of impurity in gas

Measurement system for evaluating moving image quality of displays

Optical cell measurement apparatus

Display evaluation method and apparatus