IDiyas

For the Inventor, By the Inventor

Kumagaya, Japan

Hisaaki Ida

USPTO Granted Patents = 4

Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 62(Granted Patents)


Location History:

  • Kumagaya, JP (1988 - 1990)
  • Chiba, JP (1992)

Company Filing History:

goldMedal4 out of 2,333 
 
Hitachi Metals, Ltd.
 patents
silverMedal2 out of 4 
 
Hitachi Carbide Tools, Inc.
 patents
bronzeMedal1 out of 26 
 
Hitachi Tool Engineering, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1988-1992

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4 patents (USPTO):Explore Patents
1. 5149595 - Cermet alloy and process for its production (1992-09-22),
2. 4957548 - Cermet alloy (1990-09-18),
3. 4904445 - Process for producing a tough cermet (1990-02-27),
4. 4778521 - Tough cermet and process for producing the same (1988-10-18),
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