Teruhiko Itoh

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Objective lens unit and optical pickup device
- Patent number 7,656,773
- Issue date Feb 2, 2010
- Konica Minolta Opto, INC
- Teruhiko Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Molded lens having an outer circumference and first and second opti...
- Patent number 7,151,640
- Issue date Dec 19, 2006
- Konica Minolta Holdings, Inc.
- Akira Sawagami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Molded lens having an outer circumference and first and second opti...
- Patent number 6,947,230
- Issue date Sep 20, 2005
- Konica Minolta Holdings, Inc.
- Akira Sawagami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Lens and Molding Die
- Publication number 20110279904
- Publication date Nov 17, 2011
- Teruhiko Itoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Objective lens unit and optical pickup device
- Publication number 20060187797
- Publication date Aug 24, 2006
- KONICA MINOLTA OPTO, INC.
- Teruhiko Itoh
- G11 - INFORMATION STORAGE
Information Patent Application
Optical element and optical pickup device having the same
- Publication number 20050213473
- Publication date Sep 29, 2005
- KONICA MINOLTA OPTO, INC.
- Teruhiko Itoh
- G02 - OPTICS
Information Patent Application
Molded lens having an outer circumference and first and second opti...
- Publication number 20050190460
- Publication date Sep 1, 2005
- Konica Minolta Holdings, Inc.
- Akira Sawagami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Molded lens and molding die for molded lens
- Publication number 20040169939
- Publication date Sep 2, 2004
- Konica Minolta Holdings, Inc.
- Akira Sawagami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL