Kanagawa, Japan

Yoshiyuki Kurokawa

This inventor holds 499 USPTO granted patents and 51 published patent applications and 16 EPO patents, primarily in Semiconductor Devices (CPC class H01L29-7869). Top assignees: Semiconductor Energy Laboratory Co., Ltd., Semiconductor Energy Laboratory Co., Ltd.. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiyuki Kurokawa. Retrieved from https://idiyas.com/inventor/yoshiyuki-kurokawa

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

Calculating rank
USPTO Granted Patents = 499 

% Patents Active = 48.7

 

Average Co-Inventor Count = 1.7

ph-index = 19

Forward Citations = 2,519(Granted Patents)

Forward Citations (Not Self Cited) = 1,780(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Atsugi, JP (2008)
  • Sagamihara Kanagawa, JP (2015)
  • Sagamihara, Kanagawa, JP (2015 - 2018)
  • Kanagawa, JP (2003 - 2024)
  • Sagamihara, JP (2010 - 2024)

Company Filing History:


Years Active: 2003-2026

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Areas of Expertise:
Semiconductor Device
Display Apparatus
Imaging Device
Electronic Device
Data Processing
Analog to Digital Converter
Low Power Consumption
Control System
Optical Device
AI System
Correction Method
Driving Method
499 patents (USPTO):Explore Patents

Title: Yoshiyuki Kurokawa: Innovating the Semiconductor World

Introduction:

Yoshiyuki Kurokawa, a prolific inventor hailing from Kanagawa, Japan, has made significant contributions to the field of semiconductor technology. With an impressive portfolio of 436 patents, his groundbreaking work has revolutionized the industry. This article delves into Kurokawa's latest patents, highlights of his career, notable collaborations, and the impact of his innovations.

Latest Patents:

One of Kurokawa's recent patents is the "Neural Network Semiconductor Device and System using the Same." This invention involves a semiconductor device that enables efficient product-sum operations. It employs a unique offset circuit, including a constant current circuit comprising a transistor and a capacitor. This setup effectively suppresses changes in the source-drain current, enhancing the overall performance of the device.

Another noteworthy patent is the "Imaging Device and Electronic Device." This innovation focuses on an imaging device capable of image processing. By retaining analog data obtained through image-capturing operations in a pixel, the device performs product-sum operations alongside predetermined weight coefficients. This enables the conversion of data into binary format, allowing for efficient processing such as image recognition, particularly in applications involving neural networks.

Career Highlights:

Yoshiyuki Kurokawa has achieved remarkable success during his tenure at Semiconductor Energy Laboratory Co., Ltd. (SEL). As an esteemed member of SEL's research and development team, he has been at the forefront of technological advancements in the semiconductor field. His research and patented inventions have garnered significant recognition, further solidifying SEL's position as a leader in the industry.

Collaborations:

Throughout his career, Kurokawa has worked closely with several notable peers and colleagues. Takayuki Ikeda and Munehiro Kozuma are two such individuals who have collaborated with Kurokawa on various projects. The combined expertise of these extraordinary innovators has certainly contributed to groundbreaking advancements in the semiconductor field.

Conclusion:

Yoshiyuki Kurokawa's dedication and ingenuity have propelled him to the forefront of semiconductor technology. His impressive patent portfolio is a testament to his significant contributions in the industry. Kurokawa's groundbreaking inventions, such as the neural network semiconductor device and imaging device, have paved the way for advancements in image processing, neural networks, and related technologies. As he continues to push the boundaries of innovation, Yoshiyuki Kurokawa remains a driving force in shaping the future of semiconductors.

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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