Yoshihiro Okui

Person

Daitoh, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light measuring apparatus capable of measuring ambient light and fl...
- Patent number 5,589,934
- Issue date Dec 31, 1996
- Minolta Co., Ltd.
- Norihisa Hosoi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color temperature meter for use in photographing
- Patent number 5,565,990
- Issue date Oct 15, 1996
- Minolta Camera Kabushiki Kaisha
- Norihisa Hosoi
- G01 - MEASURING TESTING
Information Patent Grant
Light measurement device
- Patent number 5,327,210
- Issue date Jul 5, 1994
- Minolta Camera Kabushiki Kaisha
- Yoshihiro Okui
- G01 - MEASURING TESTING
Information Patent Grant
Device for measuring luminance of fluourscent screen of cathode ray...
- Patent number 5,122,651
- Issue date Jun 16, 1992
- Minolta Camera Kubushiki Kaisha
- Hiroshi Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photo-electric converter having offset voltage correcting function
- Patent number 4,924,081
- Issue date May 8, 1990
- Minolta Camera Kabushiki Kaisha
- Jiro Arima
- G01 - MEASURING TESTING
Information Patent Grant
Multi-channel spectral light measuring device
- Patent number 4,909,633
- Issue date Mar 20, 1990
- Minolta Camera Kabushiki Kaisha
- Yoshihiro Okui
- G01 - MEASURING TESTING
Information Patent Grant
Double integration analog to digital converting device
- Patent number 4,771,265
- Issue date Sep 13, 1988
- Minolta Camera Kabushiki Kaisha
- Yoshihiro Okui
- H03 - BASIC ELECTRONIC CIRCUITRY

Yoshihiro Okui

Person

Patents Grantslast 30 patents

Light measuring apparatus capable of measuring ambient light and fl...

Color temperature meter for use in photographing

Light measurement device

Device for measuring luminance of fluourscent screen of cathode ray...

Photo-electric converter having offset voltage correcting function

Multi-channel spectral light measuring device

Double integration analog to digital converting device