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For the Inventor, By the Inventor

Tokyo, Japan

Ken Kikuchi

This inventor holds 50 USPTO granted patents and 2 published patent applications and 6 EPO patents, primarily in Display Technology. Top assignees: Sony Corporation, Sony Semiconductor Solutions Corporation, Oki Data Corporation. Active years: 1999-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ken Kikuchi. Retrieved from https://idiyas.com/inventor/ken-kikuchi-ibdj7yxn

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 50 

% Patents Active = 88.0

 

Average Co-Inventor Count = 3.3

ph-index = 5

Forward Citations = 184(Granted Patents)

Forward Citations (Not Self Cited) = 175(Dec 10, 2025)


Location History:

  • Kanagawa, JP (2008)
  • Minato-ku, JP (2012)
  • Tokyo, JP (1999 - 2024)

Company Filing History:

goldMedal26 out of 58,145 
 
Sony Corporation
 patents
silverMedal15 out of 3,298 
 
Sony Semiconductor Solutions Corporation
 patents
bronzeMedal5 out of 1,875 
 
Oki Data Corporation
 patents
4. 3 out of 4,241 
 
Sony Group Corporation
 patents
5. 2 out of 8,257 
 
Tdk Corporation
 patents
6. 1 out of 68 
 
Arisawa Mfg. Co., Ltd.
 patents
7. 1 out of 713 
 
Joled Inc.
 patents
8. 1 out of 42 
 
Tokyo Women's Medical University
 patents
where one patent can have more than one assignee

Years Active: 1999-2024

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Areas of Expertise:
Light-Emitting Device
Display Device
Liquid Crystal Display
Comparator Circuit
A/D Conversion Circuit
Driving Method
Electronic Apparatus
Signal Processing
Optical System
Ranging Device
Molding Apparatus
Toner Cartridge
50 patents (USPTO):Explore Patents
1. 12125441 - Light-emitting device, method of driving light- emitting device, and electronic apparatus (2024-10-22),
2. 12119371 - Light source apparatus (2024-10-15),
3. 12027429 - Mounting substrate and electronic apparatus (2024-07-02),
4. 12025738 - Ranging device and ranging module (2024-07-02),
5. 11651720 - Display device, method of driving display device, and electronic apparatus (2023-05-16),
6. 11328655 - Drive device and display apparatus (2022-05-10),
7. 11200834 - Display apparatus (2021-12-14),
8. 10971412 - Mounting substrate and electronic apparatus (2021-04-06),
9. 10789878 - Light source device, light-emitting device, and display device (2020-09-29),
10. 10615786 - Comparator circuit, A/D conversion circuit, and display apparatus (2020-04-07),
11. 10515709 - Sample- and-hold circuit and display device (2019-12-24),
12. 10510286 - Mounting substrate and electronic apparatus (2019-12-17),
13. 10255852 - Comparator unit, display, and method of driving display (2019-04-09),
14. 10187048 - Comparator circuit, A/D conversion circuit, and display apparatus (2019-01-22),
15. 10157578 - Light emitting device driving circuit, display, and A/D conversion circuit (2018-12-18),

Title: Ken Kikuchi: A Pioneer in Light-Emitting Technologies

Introduction

Ken Kikuchi is an accomplished inventor based in Tokyo, Japan, with a remarkable portfolio of 50 patents to his name. His work primarily focuses on innovations in light-emitting devices, where he has made significant contributions to enhancing electronic apparatus and improving light source technologies.

Latest Patents

Kikuchi's latest patents include groundbreaking technologies such as a light-emitting device and a light source apparatus. The light-emitting device features a pixel circuit that incorporates a light-emitting part along with a gradation controller for dynamic performance enhancement. This includes a light emission time controller and an amplitude modulator designed to optimize the operational efficiency of the device. Similarly, his light source apparatus aims to provide a versatile lighting solution, integrating a transmissive board and circuit board, effectively enhancing the connection and functionality between light-emitting elements.

Career Highlights

Throughout his career, Ken Kikuchi has worked with prestigious companies, including Sony Corporation and Sony Semiconductor Solutions Corporation. His tenure at these leading firms has solidified his reputation as a leading innovator in the field of electronic devices and lighting technology.

Collaborations

In his journey, Kikuchi has collaborated with notable peers such as Takaaki Sugiyama and Yasuo Inoue. These collaborations have contributed to the advancement of technology within their respective fields, fostering an environment of innovation and creativity.

Conclusion

Ken Kikuchi continues to be a driving force in the realm of light-emitting technologies. His numerous patents reflect his relentless pursuit of innovation and his commitment to enhancing the efficiency of electronic devices. As he continues his work, the impact of his inventions is sure to resonate throughout the industry.

Profile summary based on public USPTO records.
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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