Kunihiko Taka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Objective lens and optical pickup apparatus
- Patent number 8,154,979
- Issue date Apr 10, 2012
- Konica Minolta Opto, INC
- Kunihiko Taka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical element and optical pickup apparatus
- Patent number 7,803,455
- Issue date Sep 28, 2010
- Konica Minolta Opto, INC
- Kunihiko Taka
- G02 - OPTICS
Information Patent Grant
Optical lens and information recording and reproducing device
- Patent number 7,602,679
- Issue date Oct 13, 2009
- Konica Minolta Opto, INC
- Tatsuo Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Antireflection coating, optical element, and optical transceiver mo...
- Patent number 7,599,119
- Issue date Oct 6, 2009
- Konica Minolta Opto, INC
- Katsuya Nakamura
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OBJECTIVE LENS AND OPTICAL PICKUP APPARATUS
- Publication number 20090059769
- Publication date Mar 5, 2009
- Kunihiko TAKA
- G02 - OPTICS
Information Patent Application
OBJECTIVE LENS AND OPTICAL PICKUP APPARATUS
- Publication number 20080285422
- Publication date Nov 20, 2008
- Kunihiko TAKA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL ELEMENT AND OPTICAL PICKUP APPARATUS
- Publication number 20080123507
- Publication date May 29, 2008
- Kunihiko TAKA
- G11 - INFORMATION STORAGE
Information Patent Application
Optical element and optical pickup apparatus
- Publication number 20070035840
- Publication date Feb 15, 2007
- KONICA MINOLTA OPTO, INC.
- Kunihiko Taka
- G02 - OPTICS
Information Patent Application
Antireflection coating, optical element, and optical transceiver mo...
- Publication number 20060158738
- Publication date Jul 20, 2006
- KONICA MINOLTA OPTO, INC.
- Katsuya Nakamura
- G02 - OPTICS
Information Patent Application
Optical lens and information recording and reproducig device
- Publication number 20050007934
- Publication date Jan 13, 2005
- KONICA MINOLTA OPTO, INC.
- Tstsuo Ohta
- G11 - INFORMATION STORAGE