Kawasaki, Japan

Kei Shiraishi

This inventor holds 18 USPTO granted patents and 2 published patent applications, primarily in Semiconductor Devices. Top assignees: Kabushiki Kaisha Toshiba, Kioxia Corporation, Toshiba Memory Corporation. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kei Shiraishi. Retrieved from https://idiyas.com/inventor/kei-shiraishi

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

USPTO Granted Patents = 18 

% Patents Active = 50.0

Average Co-Inventor Count = 4.2

ph-index = 2

Forward Citations = 62(Granted Patents)


Location History:

  • Tokyo, JP (2013 - 2015)
  • Fuchu, JP (2016)
  • Fuchu Tokyo, JP (2016)
  • Kawasaki, JP (2022 - 2023)
  • Kawasaki Kanagawa, JP (2018 - 2024)

Company Filing History:


Years Active: 2013-2026

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Areas of Expertise:
Semiconductor Device
Inverter Circuit
Memory Device
Storage Device
Integrated Circuit
Amplifier
Image Sensor
Analog-to-Digital Converter
Power Supply
Noise Cancelling Circuit
DC-DC Converter
Control Circuit
18 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Kei Shiraishi

Introduction

Kei Shiraishi is a prominent inventor based in Kawasaki, Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 17 patents. His work has been instrumental in advancing the capabilities of semiconductor devices.

Latest Patents

One of his latest patents is a semiconductor memory device that includes a comparator designed to output a signal synchronized with an external read enable signal. This device features a correction circuit that adjusts the duty cycle of the signal using variable current sources. Another notable patent is for a semiconductor device that incorporates a first circuit to manage voltage levels based on incoming signals. This device is designed to latch data and output various voltages to ensure optimal performance.

Career Highlights

Throughout his career, Kei Shiraishi has worked with notable companies such as Toshiba Corporation and Kioxia Corporation. His experience in these organizations has allowed him to develop innovative solutions in semiconductor technology.

Collaborations

Kei Shiraishi has collaborated with esteemed colleagues, including Masaru Koyanagi and Tetsuro Itakura. Their combined expertise has contributed to the success of various projects in the semiconductor field.

Conclusion

Kei Shiraishi's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative work continues to influence advancements in this critical field.

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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