Yuwa Ishii

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface inspection apparatus, surface inspection method and exposur...
- Patent number 7,369,224
- Issue date May 6, 2008
- Nikon Corporation
- Takeo Oomori
- G01 - MEASURING TESTING
Information Patent Grant
Optical disk capable of recording information on both land and groo...
- Patent number 5,602,824
- Issue date Feb 11, 1997
- Nikon Corporation
- Hirohsi Ooki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetooptic recording medium cartridge for two-sided overwriting
- Patent number 5,206,844
- Issue date Apr 27, 1993
- Nikon Corporation
- Yuwa Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Mirror rotation angle detection mechanism
- Patent number 5,131,744
- Issue date Jul 21, 1992
- Nikon Corporation
- Hisaharu Kaneko
- G01 - MEASURING TESTING
Information Patent Grant
Maneto-optical recording apparatus with path length compensated dua...
- Patent number 4,853,923
- Issue date Aug 1, 1989
- Nikon Corporation
- Tomoaki Yamada
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Surface Inspection Device
- Publication number 20100182603
- Publication date Jul 22, 2010
- Yoshihiko Fujimori
- G01 - MEASURING TESTING
Information Patent Application
Surface inspection device
- Publication number 20090079983
- Publication date Mar 26, 2009
- NIKON CORPORATION
- Yoshihiko Fujimori
- G01 - MEASURING TESTING
Information Patent Application
Method of adjusting optical imaging system, positional deviation de...
- Publication number 20070064233
- Publication date Mar 22, 2007
- NIKON CORPORATION
- Makoto Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Surface inspection apparatus, surface inspection method and exposur...
- Publication number 20060098189
- Publication date May 11, 2006
- Nikon Corporation
- Takeo Oomori
- G01 - MEASURING TESTING