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For the Inventor, By the Inventor

Tokyo, Japan

Zero Corporation

USPTO Granted Patents = 16

% Expired Patents = 12.5


Trademarks = 6

Forward Citations = 264

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23 inventors (with patents filed for the assignee):

goldMedal Gene C Hollingsworth (4 out of 5 patents)

silverMedal Eugene G Freehauf (3 out of 5 patents)

bronzeMedal John Frank Zinni (2 out of 16 patents)

4.  Juan Pablo Cilia (2 out of 6 patents)

5.  Ravi Kumar Sawhney (2 out of 43 patents)

6.  Cary Robert Chow (2 out of 2 patents)

7.  Donald Joseph Huntting (2 out of 3 patents)

8.  Lance Gordon Hussey (2 out of 61 patents)

9.  Christopher W Glupker (2 out of 12 patents)

10.  Katsuhiko Saotome (1 out of 1 patent)

11.  Mark Seymour (1 out of 1 patent)

12.  Tim Pienta (1 out of 1 patent)

13.  Michael J Lambertson (1 out of 1 patent)

14.  Richard L Crooker (1 out of 1 patent)

15.  Vincent J Fitzgerald (1 out of 1 patent)


16 patents:

1. 8561212 - Underwater drysuit (2013-10-22),
2. 8521610 - Online auction and method (2013-08-27),
3. 6024543 - Blower wheel having interior motor cooling ribs (2000-02-15),
4. 5966176 - Camera housing (1999-10-12),
5. 5937519 - Method and assembly for manufacturing a convoluted heat exchanger core (1999-08-17),
6. D392300 - Camera housing (1998-03-17),
7. 4964015 - Electrically conductive chair support with sliding bushing (1990-10-16),
8. 4785294 - Static monitoring system (1988-11-15),
9. 4603375 - Ejector for printed circuit board plug-in unit (1986-07-29),
10. 4478469 - Card keying device (1984-10-23),
11. D264300 - Pin socket insertion tool (1982-05-11),
12. D261504 - Pin socket (1981-10-27),
13. D257972 - Zero insertion force connector, or the like (1981-01-20),
14. D257343 - Actuator bar for a zero insertion force connector, or the like (1980-10-14),
15. 4072380 - Dual inline integrated circuit socket (1978-02-07),
Company Overview
Zero Corporation is a Tokyo-based company specializing in advanced technology solutions across various sectors. The organization focuses on developing innovative products and services in areas such as robotics, artificial intelligence, and automation. With a commitment to enhancing efficiency and productivity, Zero Corporation leverages cutting-edge research to address complex challenges in industries ranging from manufacturing to healthcare. Its strategic location in Japan positions it at the forefront of technological advancements in the Asia-Pacific region.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

16 Patents

#1,500 in Tokyo

#3,343 in Japan

#37,868 in the World

Tokyo, JP
Tokyo, Japan

Zero Corporation

Forward Citations = 264

23 inventors:

goldMedal Gene C Hollingsworth (4 out of 5 patents)

silverMedal Eugene G Freehauf (3 out of 5 patents)

bronzeMedal John Frank Zinni (2 out of 16 patents)

4.  Juan Pablo Cilia (2 out of 6 patents)

5.  Ravi Kumar Sawhney (2 out of 43 patents)

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

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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