Motohiko Yamamoto

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Kitakatsuragi-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photo-receiving amplifier element, optical pickup unit, and optical...
- Patent number 7,304,542
- Issue date Dec 4, 2007
- Sharp Kabushiki Kaisha
- Motohiko Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photodetector element containing circuit element and manufacturing...
- Patent number 6,127,715
- Issue date Oct 3, 2000
- Sharp Kabushiki Kaisha
- Motohiko Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Waveguide-photodetector, method for producing the same, waveguide u...
- Patent number 6,078,707
- Issue date Jun 20, 2000
- Sharp Kabushiki Kaisha
- Hiroyuki Yamamoto
- G02 - OPTICS
Information Patent Grant
Light receiving device with isolation regions
- Patent number 5,602,415
- Issue date Feb 11, 1997
- Sharp Kabushiki Kaisha
- Masaru Kubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-receiving semiconductor device with plural buried layers
- Patent number 5,466,962
- Issue date Nov 14, 1995
- Sharp Kabushiki Kaisha
- Motohiko Yamamoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Photo-receiving amplifier element, optical pickup unit, and optical...
- Publication number 20060011815
- Publication date Jan 19, 2006
- Sharp Kabushiki Kaisha
- Motohiko Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY