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For the Inventor, By the Inventor

Nishinomiya, Japan

Yasushi Hayasaki

USPTO Granted Patents = 2 


Average Co-Inventor Count = 6.0

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Nishinomiya, JP (1990)
  • Nishinomiya City, JP (1991)

Company Filing History:

goldMedal2 out of 297 
 
Nippon Oil Fats Co., Ltd.
 patents
silverMedal2 out of 2,825 
 
Ppg Industries, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1990-1991

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2 patents (USPTO):Explore Patents
1. 5028660 - Method for modifying the surface of polycarbonate resin (1991-07-02),
2. 4929685 - Method for modifying the surface of polycarbonate resin (1990-05-29),
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