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Yokohama, Japan

Tatsuya Kurihara

USPTO Granted Patents = 7

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 177(Granted Patents)

Company Filing History:

Nhk Spring Co., Ltd.

Years Active: 1995-2005

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6864793 - Magnetic marker and manufacturing method therefor (2005-03-08),

2. 5707753 - Pulse generating element and a method and an apparatus for manufacturing (1998-01-13),

3. 5602381 - Objects to be checked for authenticity, and method and apparatus for (1997-02-11),

4. 5594229 - Method and apparatus for checking the authenticity of a checking object (1997-01-14),

5. 5583333 - Checking objects including bistable magnetic devices, to be checked for (1996-12-10),

6. 5473147 - Method and an apparatus for checking objects to be checked for (1995-12-05),

7. 5451759 - Using high-permeability magnetic elements randomly scattered in the (1995-09-19),

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