IDiyas

For the Inventor, By the Inventor

Hyogo, Japan

Koki Tokuhara

USPTO Granted Patents = 9

Average Co-Inventor Count = 3.6

ph-index = 7

Forward Citations = 91(Granted Patents)


Location History:

  • Otsu, JP (1995)
  • Ootsu, JP (1998)
  • Hyogo, JP (2001 - 2006)

Company Filing History:

goldMedal6 out of 240 
 
Sumitomo Special Metals Co., Ltd.
 patents
silverMedal2 out of 85 
 
Neomax Co., Ltd.
 patents
bronzeMedal1 out of 832,680 
Other
 patents

Years Active: 1995-2006

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9 patents (USPTO):Explore Patents
1. 7056393 - Method of making sintered compact for rare earth magnet (2006-06-06),
2. 6969244 - Powder compacting apparatus and method of producing a rare-earth magnet using the same (2005-11-29),
3. 6696015 - Method for producing rare-earth magnet (2004-02-24),
4. 6511631 - Powder compacting apparatus and method of producing a rare-earth magnet using the same (2003-01-28),
5. 6461565 - Method of pressing rare earth alloy magnetic powder (2002-10-08),
6. 6331214 - Monolithically bonded construct of rare-earth magnet and metal material and method for bonding same (2001-12-18),
7. 6247660 - Process for hydrogen-pulverizing a rare earth metal-based magnetic material, and hydrogen-pulverizing case (2001-06-19),
8. 5788782 - R-FE-B permanent magnet materials and process of producing the same (1998-08-04),
9. 5387291 - Process for producing alloy powder material for R-Fe-B permanent magnets (1995-02-07),
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