Akira Sawamoto

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Suwa-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical system for image pickup, and image pickup device
- Patent number 11,314,042
- Issue date Apr 26, 2022
- NITTOH INC.
- Akira Sawamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Zoom lens system and display apparatus
- Patent number 7,400,455
- Issue date Jul 15, 2008
- Nittoh Kogaku K.K.
- Akira Sawamoto
- G02 - OPTICS
Information Patent Grant
Projection zoom lens and projector
- Patent number 7,184,220
- Issue date Feb 27, 2007
- Nittoh Kogaku K.K.
- Akira Sawamoto
- G02 - OPTICS
Information Patent Grant
Zoom lens system
- Patent number 7,170,691
- Issue date Jan 30, 2007
- NITTOH KOGAKU K.K.
- Akira Sawamoto
- G02 - OPTICS
Information Patent Grant
Projection zoom lens system and projector
- Patent number 6,587,279
- Issue date Jul 1, 2003
- NITTOH KOGAKU K.K.
- Shuji Narimatsu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SYSTEM FOR IMAGE PICKUP, AND IMAGE PICKUP DEVICE
- Publication number 20200192060
- Publication date Jun 18, 2020
- NITTOH INC.
- Akira SAWAMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SYSTEM AND DEVICE HAVING OPTICAL SYSTEM
- Publication number 20160021351
- Publication date Jan 21, 2016
- NITTOH KOGAKU K.K.
- Akira YAMAGISHI
- G02 - OPTICS
Information Patent Application
Zoom Lens System and Display Apparatus
- Publication number 20070229977
- Publication date Oct 4, 2007
- NITTOH KOGAKU K.K.
- Akira Sawamoto
- G02 - OPTICS
Information Patent Application
Zoom lens system
- Publication number 20060139766
- Publication date Jun 29, 2006
- Akira Sawamoto
- G02 - OPTICS
Information Patent Application
Projection zoom lens and projector
- Publication number 20060109564
- Publication date May 25, 2006
- Akira Sawamoto
- G02 - OPTICS
Information Patent Application
Projection zoom lens system and projector
- Publication number 20020018301
- Publication date Feb 14, 2002
- Shuji Narimatsu
- G02 - OPTICS