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For the Inventor, By the Inventor

Ibaraki, Japan

Takeshi Hachisu

USPTO Granted Patents = 3

Average Co-Inventor Count = 2.5

ph-index = 2

Forward Citations = 18(Granted Patents)


Location History:

  • Niihari, JP (1978)
  • Ibaraki, JA (1978)
  • Ibaraki, JP (1985)

Company Filing History:

goldMedal3 out of 42,508 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 1 
 
Hitachi Const. Machinery Co.
 patent
where one patent can have more than one assignee

Years Active: 1978-1985

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3 patents (USPTO):Explore Patents
1. 4509995 - Method and apparatus for quenching (1985-04-09),
2. 4104206 - Process for reprocessing atactic polypropylene (1978-08-01),
3. 4066539 - Oil-recovering material and process for preparing and using the same (1978-01-03),
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