Kohei Yokoyama

This inventor holds 64 USPTO granted patents, primarily in Display Technology (CPC class H01L). Top assignees: Semiconductor Energy Laboratory Co., Ltd., Sharp Kabushiki Kaisha Corporation. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kohei Yokoyama. Retrieved from https://idiyas.com/inventor/kohei-yokoyama

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

USPTO Granted Patents = 64

% Patents Active = 51.6

Average Co-Inventor Count = 4.3

ph-index = 9

Forward Citations = 263(Granted Patents)

Forward Citations (Not Self Cited) = 232(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kanagawa, JP (2009 - 2023)
Fujisawa, JP (2015 - 2024)

Company Filing History:

64 out of 16,652

Semiconductor Energy Laboratory Co., Ltd.

patents

2 out of 25,954

Sharp Kabushiki Kaisha Corporation

patents

where one patent can have more than one assignee

Years Active: 2009-2025

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Areas of Expertise:

Display Device

Manufacturing Method

Light-Emitting Device

Functional Panel

Electronic Device

Stack Manufacturing

Separation Method

Bonding Apparatus

Processing Apparatus

Flexible Substrates

Data Processing Device

Wiping Device

64 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12230647 - Display device, manufacturing method of display device, and electronic device (2025-02-18),

2. 11881489 - Display device (2024-01-23),

3. 11824068 - Display device, manufacturing method of display device, and electronic device (2023-11-21),

4. 11818856 - Functional panel, method for manufacturing the same, module, data processing device (2023-11-14),

5. 11785827 - Display device and driving method of display device (2023-10-10),

6. 11552107 - Display device (2023-01-10),

7. 11444255 - Method of manufacturing display device, display device, display module, and electronic device (2022-09-13),

8. 11075232 - Display device, manufacturing method of display device, and electronic device (2021-07-27),

9. 11071224 - Functional panel, method for manufacturing the same, module, data processing device (2021-07-20),

10. 10583641 - Bonding apparatus and stack body manufacturing apparatus (2020-03-10),

11. 10573667 - Display device (2020-02-25),

12. 10522574 - Manufacturing method of display device and manufacturing method of electronic device (2019-12-31),

13. 10442172 - Processing apparatus and processing method of stack (2019-10-15),

14. 10367014 - Display device, manufacturing method of display device, and electronic device (2019-07-30),

15. 10343191 - Wiping device and stack manufacturing apparatus (2019-07-09),

Title: The Innovative Mind of Kohei Yokoyama

Introduction: Kohei Yokoyama is a visionary inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kohei Yokoyama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to problem-solving.

Career Highlights: With a career spanning over two decades, Kohei Yokoyama has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Kohei Yokoyama has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge-sharing to drive progress in the field of technology.

Conclusion: Kohei Yokoyama's passion for innovation, coupled with his relentless drive to push the boundaries of what is possible, has solidified his reputation as a pioneering inventor in the global tech community.

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]