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For the Inventor, By the Inventor

Tokyo, Japan

Wpc Corporation

Calculating rank
USPTO Granted Patents = 8

% Expired Patents = 50.0



Forward Citations = 75

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12 inventors (with patents filed for the assignee):

goldMedal Takeyasu Kikuchi (4 out of 8 patents)

silverMedal Seiichi Fukawa (2 out of 2 patents)

bronzeMedal Milton G Stowe (2 out of 2 patents)

4.  Yuichiro Nakamura (1 out of 37 patents)

5.  Damon Kyle Wayans (1 out of 2 patents)

6.  Kazumasa Morita (1 out of 2 patents)

7.  Koji Higashi (1 out of 2 patents)

8.  Masatomo Sato (1 out of 1 patent)

9.  Kengo Kuma (1 out of 6 patents)

10.  Martin Merik Pelletier (1 out of 1 patent)

11.  Robert J Von Bose (1 out of 8 patents)

12.  Barry J Brooks (1 out of 1 patent)

13.  Sadao Nishibori (29 patents)


8 patents:

1. 9410566 - Fixing device for panel (2016-08-09),
2. 8871345 - Method for producing composite pellet for extrusion molding, and composite pellet for extrusion molding produced by the method (2014-10-28),
3. 8771048 - Computer-implemented video puzzles (2014-07-08),
4. 8769897 - Remaining formwork for decoration, and wall surface structure of concrete structure (2014-07-08),
5. D664836 - Floor board fixture (2012-08-07),
6. 4365321 - Sonic logging tool (1982-12-21),
7. 4149566 - Elastomeric test cup for tubing pressure testing (1979-04-17),
8. 4060249 - Rod packing (1977-11-29),
Company Overview
Wpc Corporation is a leading provider of high-quality industrial supplies and equipment. With over 20 years of experience, we specialize in delivering innovative solutions to meet the unique needs of our customers. Our products range from cutting-edge technologies to traditional industrial goods, all designed to optimize efficiency and productivity in various industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

8 Patents

#2,156 in Tokyo

#5,057 in Japan

Tokyo, JP
Tokyo, Japan

Wpc Corporation

Forward Citations = 75

12 inventors:

goldMedal Takeyasu Kikuchi (4 out of 8 patents)

silverMedal Seiichi Fukawa (2 out of 2 patents)

bronzeMedal Milton G Stowe (2 out of 2 patents)

4.  Yuichiro Nakamura (1 out of 37 patents)

5.  Damon Kyle Wayans (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wpc Corporation. Retrieved from https://idiyas.com/company/wpc

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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