IDiyas

For the Inventor, By the Inventor

Osaka, Japan

Toshio Shibabuchi

USPTO Granted Patents = 4

Average Co-Inventor Count = 4.8

ph-index = 4

Forward Citations = 154(Granted Patents)


Location History:

  • Wakayama, JP (1987)
  • Osaka, JP (1992 - 1994)

Company Filing History:

goldMedal4 out of 352 
 
Osaka Gas Company Limited
 patents
silverMedal3 out of 11 
 
Shinwa Sangyo Company, Ltd.
 patents
bronzeMedal2 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents
4. 1 out of 9 
 
Mitsui Petrochemical Ind. Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1987-1994

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4 patents (USPTO):Explore Patents
1. 5375889 - Electrofusion joint and hot water supply header using the same (1994-12-27),
2. 5366253 - Electrofusion joint and hot water supply header using the same (1994-11-22),
3. 5150922 - Electrofusion joint and hot water supply header using the same (1992-09-29),
4. 4674775 - Coupling for corrugated conduit (1987-06-23),
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