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For the Inventor, By the Inventor

Tokyo, Japan

Earth Corporation

Calculating rank
USPTO Granted Patents = 6


Trademarks = 36

Forward Citations = 9

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13 inventors (with patents filed for the assignee):

goldMedal Kiyoto Takamori (2 out of 5 patents)

silverMedal Kei Ohkubo (2 out of 8 patents)

bronzeMedal Michael Sydlik (2 out of 2 patents)

4.  Tsuyoshi Inoue (2 out of 95 patents)

5.  Haruyasu Asahara (1 out of 3 patents)

6.  Yuichi Itou (1 out of 6 patents)

7.  Yasushi Mizuta (1 out of 12 patents)

8.  Angelo Romero (1 out of 1 patent)

9.  Philippe Meynard (1 out of 1 patent)

10.  Robert R Riley (1 out of 6 patents)

11.  Hiroyuki Honda (1 out of 1 patent)

12.  Kazuki Maeda (1 out of 1 patent)

13.  Ren Abe (1 out of 1 patent)

14.  Takekatsu Shibata (3 patents)


6 patents:

1. 12568946 - Method for facilitating delivery of poison bait to wasp nest (2026-03-10),
2. 11407871 - Method for modifying polymer, method for producing modified polymer using the same, and modified polymer (2022-08-09),
3. 11326035 - Method for selectively binding target molecule to polymer molded body and method for producing target molecule-bound polymer molded body using the same (2022-05-10),
4. D925886 - Footbed (2021-07-27),
5. 10407861 - Sheet pile retaining wall system (2019-09-10),
6. 10094088 - Sheet pile retaining wall system (2018-10-09),
Company Overview
Earth Corporation is a leading provider of sustainable solutions for environmental protection and preservation. We offer a range of services, including waste management, recycling, renewable energy, and green consulting. Our mission is to help businesses and communities reduce their carbon footprint and create a more sustainable future for our planet.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#2,469 in Tokyo

#5,990 in Japan

Tokyo, JP
Tokyo, Japan

Earth Corporation

Forward Citations = 9

13 inventors:

goldMedal Kiyoto Takamori (2 out of 5 patents)

silverMedal Kei Ohkubo (2 out of 8 patents)

bronzeMedal Michael Sydlik (2 out of 2 patents)

4.  Tsuyoshi Inoue (2 out of 95 patents)

5.  Haruyasu Asahara (1 out of 3 patents)

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

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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