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For the Inventor, By the Inventor

Himeji, Japan

Keiichi Matsumoto

USPTO Granted Patents = 3


Average Co-Inventor Count = 3.8

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Tatsuno, JP (1999)
  • Himeji, JP (2010 - 2015)

Company Filing History:

goldMedal3 out of 822 
 
Ushio Denki Kabushiki Kaisha
 patents

Years Active: 1999-2015

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3 patents (USPTO):Explore Patents
1. 9137881 - Discharge lamp lighting apparatus (2015-09-15),
2. 7649319 - Ultra-high pressure mercury lamp (2010-01-19),
3. 5962977 - Low pressure discharge lamp having electrodes with a lithium-containing (1999-10-05),
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