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For the Inventor, By the Inventor

Tokyo, Japan

Yoshio Ohtsuki

This inventor holds 6 USPTO granted patents. Top assignee: Oki Electric Industry Co., Ltd.. Active years: 1992-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Ohtsuki. Retrieved from https://idiyas.com/inventor/yoshio-ohtsuki

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 58(Granted Patents)


Company Filing History:

goldMedal6 out of 4,980 
 
Oki Electric Industry Co., Ltd.
 patents

Years Active: 1992-2002

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6 patents (USPTO):Explore Patents
1. 6459327 - Feedback controlled substrate bias generator (2002-10-01),
2. 5517444 - Semiconductor memory device with resistive power supply connection (1996-05-14),
3. 5321658 - Semiconductor memory device being coupled by auxiliary power lines to a (1994-06-14),
4. 5260904 - Data bus clamp circuit for a semiconductor memory device (1993-11-09),
5. 5237536 - Semiconductor memory device having split operation and capable of (1993-08-17),
6. 5091886 - Dual current data bus clamp circuit of semiconductor memory device (1992-02-25),

Title: The Innovations of Yoshio Ohtsuki

Introduction

Yoshio Ohtsuki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 6 patents. His work focuses on enhancing the performance and efficiency of semiconductor devices.

Latest Patents

One of his latest patents is a feedback controlled substrate bias generator. This invention features a substrate bias level sensing circuit, a charge pump circuit, and an improved oscillator. The substrate bias level sensing circuit is designed to sense the bias voltage of a semiconductor substrate and output a control signal accordingly. The charge pump circuit receives a clock pulse and the control signal to supply the necessary bias voltage. The improved oscillator generates the clock pulse through a loop circuit of inverters, ensuring precise control over the substrate bias.

Another notable patent is related to a semiconductor memory device with a resistive power supply connection. This invention addresses the adverse effects caused by the resistance of the power supply line in memory cell arrays. By incorporating a power supply auxiliary line and resistive elements, Ohtsuki's design effectively reduces these negative impacts, enhancing the overall performance of the memory device.

Career Highlights

Yoshio Ohtsuki is currently employed at Oki Electric Industry Co., Ltd. His work at this esteemed company has allowed him to develop innovative solutions that push the boundaries of semiconductor technology. His contributions have been instrumental in advancing the capabilities of electronic devices.

Collaborations

Throughout his career, Ohtsuki has collaborated with notable colleagues, including Tamihiro Ishimura and Masahumi Miyawaki. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Yoshio Ohtsuki's innovative work in semiconductor technology has led to significant advancements in the field. His patents reflect a deep understanding of the challenges faced in this industry and provide effective solutions to enhance device performance. Ohtsuki's contributions continue to influence the future of semiconductor technology.

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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