% Expired Patents = 20.0

Forward Citations = 73

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3 inventors (with patents filed for the assignee):

Katsuhisa Kato (10 out of 17 patents)

Naohisa Miyakawa (7 out of 18 patents)

Minoru Masuzawa (3 out of 3 patents)

10 patents: Sort by Forward Citations

1. 8479451 - Extrusion molded product having a core material (2013-07-09),

2. 7459111 - Manufacturing method of synthetic resin core material (2008-12-02),

3. 7044525 - Automotive extrusion-molded product and manufacturing method therefor (2006-05-16),

4. 5553423 - Molding for front glass for vehicles (1996-09-10),

5. 5447671 - Window glass edging member for a vehicle such as an automobile and (1995-09-05),

6. 5441685 - Method for producing a window glass edging member for a vehicle such as (1995-08-15),

7. 5424019 - Method for manufacturing weather strips for motor vehicles (1995-06-13),

8. 5343655 - Weather strip for the window glass of an automobile (1994-09-06),

9. 5228738 - Windshield glass molding for vehicles (1993-07-20),

10. 5176420 - Molding for front glass for vehicle (1993-01-05),

Company Overview

System Technical Co., Ltd. is a Japanese company based in Chiba, specializing in advanced technology solutions and engineering services. The organization focuses on the development and manufacturing of high-precision components and systems, catering to various industries including automotive, electronics, and industrial machinery. With a commitment to innovation, System Technical leverages cutting-edge research in automation and control systems to enhance operational efficiency and product performance across its diverse client base.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

10 Patents

#58 in Chiba

#4,400 in Japan

#55,986 in the World

Chiba, Japan

System Technical Co., Ltd.

Forward Citations = 73

3 inventors:

Katsuhisa Kato (10 out of 17 patents)

Naohisa Miyakawa (7 out of 18 patents)

Minoru Masuzawa (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: System Technical Co., Ltd.. Retrieved from https://idiyas.com/company/system-technical-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]