Masatoshi Hayashi

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Minute structure and its manufacturing method
- Patent number 8,027,089
- Issue date Sep 27, 2011
- Nikon Corporation
- Masatoshi Hayashi
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Optical element, optical system, and waveguide
- Patent number 7,764,428
- Issue date Jul 27, 2010
- Nikon Corporation
- Masatoshi Hayashi
- G02 - OPTICS
Information Patent Grant
Optical disk having lands and grooves with a reduced track pitch
- Patent number 6,822,938
- Issue date Nov 23, 2004
- Research Investment Network, Inc.
- Hiroyuki Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
High density optical disk and a method for manufacturing same
- Patent number 6,407,979
- Issue date Jun 18, 2002
- Nikon Corporation
- Hiroyuki Matsumoto
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Minute Structure and its Manufacturing Method
- Publication number 20090180185
- Publication date Jul 16, 2009
- Nikon Corporation
- Masatoshi Hayashi
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Optical Element, Optical System, and Waveguide
- Publication number 20080068719
- Publication date Mar 20, 2008
- Masatoshi Hayashi
- G02 - OPTICS
Information Patent Application
Optical element
- Publication number 20060078271
- Publication date Apr 13, 2006
- Nikon Corporation
- Masatoshi Hayashi
- G02 - OPTICS
Information Patent Application
High density optical disk and a method of high density recording
- Publication number 20030179691
- Publication date Sep 25, 2003
- Hiroyuki Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
High density optical disk and a method of high density recording
- Publication number 20020141328
- Publication date Oct 3, 2002
- Hiroyuki Matsumoto
- G11 - INFORMATION STORAGE