Yoshihiro Arai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Compound microscope device
- Patent number 9,310,596
- Issue date Apr 12, 2016
- Inter-University Research Institute Corporation National Institute of Natural...
- Kuniaki Nagayama
- G02 - OPTICS
Information Patent Grant
Image forming apparatus including a fixing device configured to app...
- Patent number 8,213,848
- Issue date Jul 3, 2012
- Ricoh Company, Ltd.
- Satoru Ishikake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Printed sheet for deflection coils
- Patent number 5,994,703
- Issue date Nov 30, 1999
- Jeol Ltd.
- Yoshihiro Arai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron microscope
- Patent number 5,304,801
- Issue date Apr 19, 1994
- Jeol Ltd.
- Yoshihiro Arai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Variable capacitance type encoder
- Patent number 4,879,552
- Issue date Nov 7, 1989
- Mitutoyo Mfg. Co., Ltd.
- Yoshihiro Arai
- G01 - MEASURING TESTING
Information Patent Grant
Variable capacitance type encoder
- Patent number 4,843,387
- Issue date Jun 27, 1989
- Mitutoyo Mfg. Co., Ltd.
- Yoshihiro Arai
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
COMPOUND MICROSCOPE DEVICE
- Publication number 20130088775
- Publication date Apr 11, 2013
- Kuniaki Nagayama
- G02 - OPTICS
Information Patent Application
Image forming apparatus and method
- Publication number 20090245896
- Publication date Oct 1, 2009
- Ricoh Company, Ltd.
- Satoru Ishikake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY