Isamu Fujii

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Koto-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Proximity sensor using photosensor
- Patent number 8,748,790
- Issue date Jun 10, 2014
- Seiko Instruments Inc.
- Fumiyasu Utsunomiya
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Light receiving circuit
- Patent number 8,536,673
- Issue date Sep 17, 2013
- Seiko Instruments Inc.
- Fumiyasu Utsunomiya
- G01 - MEASURING TESTING
Information Patent Grant
Photodetection device
- Patent number 8,288,703
- Issue date Oct 16, 2012
- Seiko Instruments Inc.
- Isamu Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical detection device, and image display device
- Patent number 8,259,061
- Issue date Sep 4, 2012
- Seiko Instruments Inc.
- Toshihiko Omi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver for communication
- Patent number 6,704,371
- Issue date Mar 9, 2004
- Seiko Instruments Inc.
- Yuji Hishiki
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit for communication and battery savi...
- Patent number 6,408,195
- Issue date Jun 18, 2002
- Seiko Instruments Inc.
- Yuji Hishiki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for receiving selected paging signal
- Patent number 5,760,699
- Issue date Jun 2, 1998
- Seiko Instruments, Inc.
- Yoshiaki Saka
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
LIGHT RECEIVING CIRCUIT
- Publication number 20110272749
- Publication date Nov 10, 2011
- Fumiyasu UTSUNOMIYA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PROXIMITY SENSOR USING PHOTOSENSOR
- Publication number 20110234302
- Publication date Sep 29, 2011
- Fumiyasu UTSUNOMIYA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Photodetection device
- Publication number 20100294918
- Publication date Nov 25, 2010
- Isamu Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL DETECTION DEVICE, AND IMAGE DISPLAY DEVICE
- Publication number 20100259570
- Publication date Oct 14, 2010
- Toshihiko Omi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE