Tokyo, Japan

Masaki Kawaguchi

This inventor holds 2 USPTO granted patents and 5 published patent applications. Top assignees: Eneos Corporation, Nec Corporation. Active years: 2002-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaki Kawaguchi. Retrieved from https://idiyas.com/inventor/masaki-kawaguchi

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

USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 29(Granted Patents)


Company Filing History:


Years Active: 2002-2026

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2 patents (USPTO):Explore Patents

Title: Masaki Kawaguchi: Innovator in Refrigeration and Semiconductor Technology

Introduction

Masaki Kawaguchi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of refrigeration and semiconductor technology. With a total of 2 patents, his work has had a lasting impact on these industries.

Latest Patents

Kawaguchi's latest patents include a refrigerating machine oil and a semiconductor integrated circuit device. The refrigerating machine oil is designed to ensure the residual amount of an anti-wear agent. It comprises an ester of a polyhydric alcohol and a fatty acid with 14 to 20 carbon atoms as a base oil, along with an anti-wear agent. The fatty acid includes both unsaturated fatty acids with one carbon-carbon unsaturated bond and those with two or more carbon-carbon unsaturated bonds. The proportion of the unsaturated fatty acid with two or more carbon-carbon unsaturated bonds is limited to 20% by mole based on the total amount of the unsaturated fatty acid.

The semiconductor integrated circuit device utilizes a DRAM and an SRAM, facilitating data transfer through a data transfer circuit using data transfer bus lines. The DRAM is divided into at least two arrays, each containing multiple columns of memory cells. This arrangement minimizes the risk of multiple memory cells being affected by charged particles during simultaneous read operations, thereby enhancing data integrity.

Career Highlights

Kawaguchi has worked with prominent companies such as NEC Corporation and Eneos Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Some of his notable coworkers include Takeo Fujii and Yoshinori Matsui. Their collaboration has likely fostered an environment of innovation and creativity in their respective projects.

Conclusion

Masaki Kawaguchi's contributions to refrigeration and semiconductor technology demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing these fields, ensuring that his work will continue to influence future developments.

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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