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For the Inventor, By the Inventor

Kanagawa, Japan

Leader Electronics Corporation


USPTO Granted Patents = 64

% Expired Patents = 9.4



Trademarks = 5

Forward Citations = 446

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61 inventors (with patents filed for the assignee):

goldMedal Masaaki Nagai (7 out of 8 patents)

silverMedal Genichi Imamura (6 out of 6 patents)

bronzeMedal Hiroyuki Tomita (5 out of 73 patents)

4.  Kentaro Ozawa (5 out of 5 patents)

5.  Kenzo Ikuzawa (5 out of 5 patents)

6.  Kuan-Chih Chen (3 out of 6 patents)

7.  Tomomi Hara (3 out of 5 patents)

8.  René Frederik Koch (3 out of 3 patents)

9.  Noriyuki Suzuki (3 out of 3 patents)

10.  Naojiro Tanaka (3 out of 3 patents)

11.  Itoshi Yokoyama (3 out of 3 patents)

12.  Ei Kawaguchi (3 out of 3 patents)

13.  Shi-Guo Deng (2 out of 2 patents)

14.  Zuo-Quan Zhou (2 out of 2 patents)

15.  Jing Feng (2 out of 2 patents)


Core Competencies:
Charging Pile
Surge Current Suppressor
Signal Waveform Display
Power Converter
Interchangeable Plug
Jitter Measurement
Video Signal Monitoring
Vector Scope
Digital Phase Shifter
Broad-Band Amplifier
Phase Shifting Device
Electric Circuit Structure

64 patents:

1. D1109749 - Charging pile display screen or portion thereof with graphical user interface (2026-01-20),
2. 12361529 - Training data generation method, method and device for generating learned model, recording medium, program, and information processing device (2025-07-15),
3. D1051044 - Charging pile (2024-11-12),
4. 11355920 - Electric circuit structure for short circuit protection (2022-06-07),
5. 11108224 - Electric circuit structure for short circuit protection (2021-08-31),
6. 9813699 - Method and apparatus for displaying a marker (2017-11-07),
7. 9538050 - Method and apparatus for generating jitter-related data (2017-01-03),
8. 9112326 - Power adapter with a combinational plug (2015-08-18),
9. 8786995 - Surge current suppressing circuit (2014-07-22),
10. 8773067 - Charging base with drainage features (2014-07-08),
11. 8414318 - Power adapter having a plug module mounted on a substrate with multiple fasteners with clasps (2013-04-09),
12. 8279348 - Luminance information display apparatus and method (2012-10-02),
13. 8033847 - Power adapter having a replaceable and positionable plug (2011-10-11),
14. 7946868 - Power adapter having a replaceable and rotatable plug (2011-05-24),
15. 7746674 - Self-oscillating power converter (2010-06-29),
Leader Electronics Corporation, headquartered in Kanagawa, Japan, specializes in the development and manufacturing of advanced power adapters and related technologies. The company focuses on innovative solutions in areas such as charging piles, surge current suppression, and power conversion. Additionally, Leader Electronics is recognized for its expertise in signal waveform display, jitter measurement, and video signal monitoring, catering to a diverse range of industries that require high-quality electronic components and systems.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Leader Electronics Corporation
64 Patents

#54 in Kanagawa

#1,486 in Japan

#11,463 in the World

Kanagawa, JP
Kanagawa, Japan

Leader Electronics Corporation

Forward Citations = 446

61 inventors:

goldMedal Masaaki Nagai (7 out of 8 patents)

silverMedal Genichi Imamura (6 out of 6 patents)

bronzeMedal Hiroyuki Tomita (5 out of 73 patents)

4.  Kentaro Ozawa (5 out of 5 patents)

5.  Kenzo Ikuzawa (5 out of 5 patents)

Please report any incorrect information to [email protected]
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