Iwao Usui

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup device
- Patent number 8,441,908
- Issue date May 14, 2013
- Konica Minolta Opto, INC
- Hidetaka Jidai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical device for monitor and optical pickup apparatus
- Patent number 7,792,007
- Issue date Sep 7, 2010
- Konica Minolta Opto, INC
- Takuji Hatano
- G11 - INFORMATION STORAGE
Information Patent Grant
Non-polarizing beam splitter
- Patent number 7,652,823
- Issue date Jan 26, 2010
- Konica Minolta Opto, INC
- Hidetaka Jidai
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Non-polarizing beam splitter
- Publication number 20070086092
- Publication date Apr 19, 2007
- Hidetaka Jidai
- G02 - OPTICS
Information Patent Application
Optical device for monitor and optical pickup apparatus
- Publication number 20060028960
- Publication date Feb 9, 2006
- KONICA MINOLTA OPTO, INC.
- Takuji Hatano
- G11 - INFORMATION STORAGE