IDiyas

For the Inventor, By the Inventor

Tsuchiura, Japan

Hikaru Yamamoto

USPTO Granted Patents = 5


Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 20(Granted Patents)


Location History:

  • Ibaraki, JP (2003)
  • Ryugasaki, JP (2003 - 2006)
  • Tsukuba, JP (2012)
  • Tsuchiura, JP (2016)

Company Filing History:

goldMedal5 out of 1,498 
 
Hitachi Construction Machinery Co., Ltd.
 patents

Years Active: 2003-2016

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5 patents (USPTO):Explore Patents
1. 9375802 - Plasma arc welding method and plasma arc welding device (2016-06-28),
2. 8283599 - Welding method for T-joint (2012-10-09),
3. 7005607 - Welding method, welding device, welded joint, and welded structure (2006-02-28),
4. 6596969 - Method for guiding arc by laser, and arc guiding welding and device by the method (2003-07-22),
5. 6534746 - Narrow gap welding method and welding apparatus (2003-03-18),
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