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Kei Tajima

USPTO Granted Patents = 14

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 23(Granted Patents)

Location History:

Amagasaki, JP (2001)
Hyogo, JP (2010)
Kobe, JP (2003 - 2018)

Company Filing History:

14 out of 4,414

Sumitomo Rubber Industries Limited

Years Active: 2001-2018

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10012927 - Developing roller including roller body with simplified structure without a coating film (2018-07-03),

2. 9885970 - Semiconductive roller (2018-02-06),

3. 9880490 - Semiconductive roller for image developing roller (2018-01-30),

4. 9703225 - Semiconductive roller (2017-07-11),

5. 9639025 - Semiconductive roller (2017-05-02),

6. 9539744 - Semiconductive roller and production method therefor (2017-01-10),

7. 9274460 - Semiconductive roller, charging roller and electrophotographic apparatus (2016-03-01),

8. 9064617 - Electrically conductive rubber composition, developing roller, and image forming apparatus (2015-06-23),

9. 8882646 - Semiconductive roller, charging roller and electrophotographic apparatus (2014-11-11),

10. 8277692 - Semiconductive rubber composition and semiconductive rubber roller employing the same (2012-10-02),

11. 7744781 - Conductive thermoplastic elastomer composition, method of producing same, and molding (2010-06-29),

12. 7728060 - Conductive roller of rubber, thermoplastics, EO-PO-glycidyl ether, fluoro and sulfonyl anion salt and microcapsule (2010-06-01),

13. 6572307 - Fender with step and/or projection (2003-06-03),

14. 6187420 - Fender (2001-02-13),

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