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For the Inventor, By the Inventor

Kobe, Japan

Toshio Koyama

USPTO Granted Patents = 5


Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 58(Granted Patents)


Location History:

  • Fukushima, JP (1987)
  • Kobe, JP (1990 - 2016)

Company Filing History:

goldMedal5 out of 4,417 
 
Sumitomo Rubber Industries Limited
 patents

Years Active: 1987-2016

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5 patents (USPTO):Explore Patents
1. 9421827 - Pneumatic tire (2016-08-23),
2. 6170546 - Heavy duty pneumatic tire including variable width grooves and constant width grooves (2001-01-09),
3. 6003575 - Pneumatic tire including sipes (1999-12-21),
4. 4955415 - Pneumatic radial tire with groove platforms to prevent stone entrapment (1990-09-11),
5. D288080 - Automobile tire (1987-02-03),
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