Youichi Ogawa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Camera device, gas leakage check system, gas leakage check method,...
- Patent number 11,252,377
- Issue date Feb 15, 2022
- Konica Minolta, Inc.
- Motohiro Asano
- G01 - MEASURING TESTING
Information Patent Grant
Method of manufacturing optical elements
- Patent number 9,156,196
- Issue date Oct 13, 2015
- Konica Minolta Opto, INC
- Tadafumi Sakata
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical element and optical pickup device
- Patent number 7,986,604
- Issue date Jul 26, 2011
- Konica Minolta Opto, INC
- Kazunari Tada
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
CAMERA DEVICE, GAS LEAKAGE CHECK SYSTEM, GAS LEAKAGE CHECK METHOD,...
- Publication number 20210368140
- Publication date Nov 25, 2021
- Konica Minolta, Inc.
- Motohiro ASANO
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF MANUFACTURING OPTICAL ELEMENTS
- Publication number 20120007262
- Publication date Jan 12, 2012
- Tadafumi Sakata
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Optical element and optical pickup device
- Publication number 20080259773
- Publication date Oct 23, 2008
- KONICA MINOLTA OPTO, INC.
- Kazunari Tada
- G02 - OPTICS