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Sumitomo Electric Printed Circuits, Inc.

USPTO Granted Patents = 100

% Expired Patents = 2.0

EPO Patents = 9

Forward Citations = 120

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129 inventors (with patents filed for the assignee):

Yoshio Oka (29 out of 34 patents)

Hiroshi Ueda (25 out of 45 patents)

Kousuke Miura (24 out of 26 patents)

4. Koji Nitta (22 out of 78 patents)

5. Shoichiro Sakai (21 out of 44 patents)

6. Takashi Kasuga (16 out of 21 patents)

7. Yoshifumi Uchita (13 out of 13 patents)

8. Shinichi Takase (12 out of 49 patents)

9. Jinjoo Park (12 out of 12 patents)

10. Satoshi Kiya (10 out of 10 patents)

11. Yoshiro Adachi (9 out of 9 patents)

12. Junichi Motomura (8 out of 8 patents)

13. Masahiko Kouchi (8 out of 8 patents)

14. Makoto Nakabayashi (7 out of 32 patents)

15. Motohiko Sugiura (7 out of 8 patents)

Core Competencies:

Printed Circuit Board

Flexible Printed Circuit Board

High-Frequency Circuit

Wiring Module

Manufacturing Method

Substrate

Connection Module

Battery Wiring Module

Dielectric Sheet

Coating Liquid

Sensor Unit

Planar Coil Element

100 patents: Sort by Forward Citations

1. 12733101 - Printed wiring board (2026-09-08),

2. 12690128 - Substrate for printed circuit board and printed circuit board (2026-07-21),

3. 12672243 - Flexible printed circuit board and method of manufacturing flexible printed circuit board (2026-06-30),

4. 12672241 - Flexible printed circuit board, wiring module, flexible printed circuit board including terminal, and power storage module (2026-06-30),

5. 12641723 - Flexible printed circuit board and method of manufacturing flexible printed circuit board (2026-05-26),

6. 12635065 - Printed wiring board (2026-05-19),

7. 12615711 - Printed circuit board (2026-04-28),

8. 12538432 - Printed wiring board (2026-01-27),

9. 12460312 - Wet treatment apparatus and method of manufacturing flexible printed circuit board (2025-11-04),

10. 12432451 - Flexible printed circuit board and image stabilization module (2025-09-30),

11. 12418078 - Connection module (2025-09-16),

12. 12389532 - High-frequency circuit (2025-08-12),

13. 12371798 - Regenerating method of removal liquid and regenerated removal liquid preliminary (2025-07-29),

14. 12267952 - Flexible printed wiring board and method of manufacturing the same (2025-04-01),

15. 12267950 - Flexible printed wiring board and battery wiring module (2025-04-01),

Company Overview

Sumitomo Electric Printed Circuits, Inc., based in Shiga, Japan, specializes in the development and manufacturing of advanced printed circuit boards (PCBs). The company focuses on innovative technologies such as flexible printed circuit boards and high-frequency circuits, catering to various industries including electronics and telecommunications. With a commitment to quality and precision, Sumitomo Electric is dedicated to enhancing connectivity through its wiring modules and battery wiring solutions, positioning itself as a key player in the PCB market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

100 Patents

#6 in Shiga

#1,121 in Japan

#7,774 in the World

Sumitomo Electric Printed Circuits, Inc.

Forward Citations = 120

129 inventors:

Yoshio Oka (29 out of 34 patents)

Hiroshi Ueda (25 out of 45 patents)

Kousuke Miura (24 out of 26 patents)

4. Koji Nitta (22 out of 78 patents)

5. Shoichiro Sakai (21 out of 44 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumitomo Electric Printed Circuits, Inc.. Retrieved from https://idiyas.com/company/sumitomo-electric-printed-circuits

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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