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For the Inventor, By the Inventor

Cincinnati, OH, United States of America

The Keeper Co., Inc.


USPTO Granted Patents = 15


Trademarks = 2

Forward Citations = 342

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34 inventors (with patents filed for the assignee):

goldMedal Kazuyuki Aoshima (3 out of 3 patents)

silverMedal Susumu Uchida (2 out of 2 patents)

bronzeMedal Junzo Ishimaru (2 out of 2 patents)

4.  Lou H Crawford (2 out of 2 patents)

5.  Jun Yamada (1 out of 11 patents)

6.  Seiichi Moriyama (1 out of 44 patents)

7.  Hiroshi Satou (1 out of 3 patents)

8.  Takashi Shiba (1 out of 1 patent)

9.  Tomohiko Ikenoya (1 out of 1 patent)

10.  Takuya Murakami (1 out of 20 patents)

11.  Masao Teraoka (1 out of 90 patents)

12.  Shinichi Sugiyama (1 out of 1 patent)

13.  Taiki Aoyama (1 out of 8 patents)

14.  Nobuyuki Ito (1 out of 1 patent)

15.  Eitaro Takagi (1 out of 1 patent)


15 patents:

1. 7641561 - Dust cover for a steering shaft (2010-01-05),
2. 7513507 - Flexible boot for constant velocity universal joint (2009-04-07),
3. 5827248 - Menstrual cup (1998-10-27),
4. 5722669 - Resin CVJ boot with distinct large and small crest portions (1998-03-03),
5. 5404906 - Fuel tank (1995-04-11),
6. 5236656 - Method of injection blow molding synthetic resin bellows product (1993-08-17),
7. 5234039 - Sealing device for fuel supply port of fuel tank for use in vehicles (1993-08-10),
8. 5147494 - Seal device for tire pressure-adjusting device (1992-09-15),
9. 5085444 - Dust seal for sliding type bush (1992-02-04),
10. D323212 - Menstrual cup (1992-01-14),
11. 5015215 - Flexible boot for universal joints (1991-05-14),
12. 4967609 - Flexible boot (1990-11-06),
13. 4820238 - Universal joint having a flexible boot (1989-04-11),
14. 4427206 - Oil seal assembly with unbonded backup ring (1984-01-24),
15. 4337953 - Sealing device with seal lips forming V-shape (1982-07-06),
Company Overview
The Keeper Co., Inc. is a Cincinnati-based company specializing in innovative storage solutions and organizational products. With a focus on enhancing everyday efficiency, the company develops a range of items designed to simplify the management of personal and professional spaces. Their expertise spans various domains, including home organization, office supplies, and travel accessories, reflecting a commitment to quality and functionality. The Keeper Co. aims to provide practical solutions that meet the diverse needs of its customers.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

15 Patents

#79 in Cincinnati, OH

#884 in Ohio

#21,068 in US

#39,959 in the World

Cincinnati, OH (US)
Cincinnati, OH, United States of America

The Keeper Co., Inc.

Forward Citations = 342

34 inventors:

goldMedal Kazuyuki Aoshima (3 out of 3 patents)

silverMedal Susumu Uchida (2 out of 2 patents)

bronzeMedal Junzo Ishimaru (2 out of 2 patents)

4.  Lou H Crawford (2 out of 2 patents)

5.  Jun Yamada (1 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Keeper Co., Inc.. Retrieved from https://idiyas.com/company/keeper-company

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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