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For the Inventor, By the Inventor

Tochigi, Japan

Srj Corporation

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USPTO Granted Patents = 14


Trademarks = 7

Forward Citations = 219

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17 inventors (with patents filed for the assignee):

goldMedal Woo Young Jee (7 out of 9 patents)

silverMedal Tetsuya Fujikura (3 out of 14 patents)

bronzeMedal Hironori Yamamoto (3 out of 7 patents)

4.  Dennis Hyunsuk Jee (2 out of 3 patents)

5.  Masayuki Takano (2 out of 2 patents)

6.  Ichiro Takahashi (1 out of 30 patents)

7.  Megumi Kimura (1 out of 15 patents)

8.  Tatsuya Kaneko (1 out of 10 patents)

9.  Jay Lee (1 out of 1 patent)

10.  Tadashi Sekiguchi (1 out of 13 patents)

11.  Mamoru Machiya (1 out of 3 patents)

12.  Mitsunori Machida (1 out of 4 patents)

13.  Hiromu Itoi (1 out of 5 patents)

14.  Katsuaki Ohashi (1 out of 2 patents)

15.  Toshio Sakamoto (1 out of 7 patents)


14 patents:

1. 11572115 - Tread pattern (2023-02-07),
2. 11097794 - Roller suspension system (2021-08-24),
3. 10400427 - Flex pin (2019-09-03),
4. 10300967 - Track and track roller (2019-05-28),
5. 9855985 - Endless track tread pattern (2018-01-02),
6. 9840829 - Flex pin (2017-12-12),
7. 8012085 - Method for collecting/transporting a medical capsule and endoscopic apparatus for the method (2011-09-06),
8. 7909755 - Endoscope applicator and endoscope apparatus (2011-03-22),
9. 7833150 - Holding device, endoscopic device, and operating method of endoscopic device (2010-11-16),
10. 7691104 - Endoscopic treatment tool (2010-04-06),
11. 7678044 - Endoscopic device (2010-03-16),
12. 7591782 - Balloon attaching jig of endoscope (2009-09-22),
13. 7537562 - Endoscope apparatus (2009-05-26),
14. 7533945 - Tread pattern for endless track (2009-05-19),
Company Overview
Srj Corporation, based in Tochigi, Japan, specializes in the development and manufacturing of advanced materials and components for various industries. The company focuses on innovative solutions in fields such as electronics, automotive, and industrial applications. With a commitment to research and development, Srj Corporation aims to enhance product performance and sustainability, leveraging cutting-edge technologies to meet the evolving needs of its clients in a competitive global market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

14 Patents

#10 in Tochigi

#3,585 in Japan

#42,312 in the World

Tochigi, JP
Tochigi, Japan

Srj Corporation

Forward Citations = 219

17 inventors:

goldMedal Woo Young Jee (7 out of 9 patents)

silverMedal Tetsuya Fujikura (3 out of 14 patents)

bronzeMedal Hironori Yamamoto (3 out of 7 patents)

4.  Dennis Hyunsuk Jee (2 out of 3 patents)

5.  Masayuki Takano (2 out of 2 patents)

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

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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