Osaka, Japan

Masayoshi Igarashi

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd.. Active years: 2013-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayoshi Igarashi. Retrieved from https://idiyas.com/inventor/masayoshi-igarashi

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 = 2.7

ph-index = 1


Company Filing History:


Years Active: 2013-2018

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2 patents (USPTO):Explore Patents

Title: Masayoshi Igarashi: Innovator in Motor Drive and Servo Control Technologies

Introduction

Masayoshi Igarashi is a notable inventor based in Osaka, Japan. He has made significant contributions to the fields of motor drive devices and servo control technologies. With a total of 2 patents, Igarashi's work reflects his innovative spirit and technical expertise.

Latest Patents

Igarashi's latest patents include a PWM motor drive device and a servo control device for optical disk applications. The PWM motor drive device features a time counter that tracks the duration of a motor phase signal, a register for retaining this time, and a zone setting circuit that divides the time into arbitrary zones. This allows for precise adjustments to the phase of motor current. The servo control device, on the other hand, includes a phase compensator that generates various control values for a driver based on signals from an optical pickup. It also features a transfer data generator that serially transfers these control values, ensuring efficient communication and control.

Career Highlights

Throughout his career, Igarashi has worked with prominent companies such as Panasonic Intellectual Property Management Co., Ltd. and Panasonic Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Igarashi has collaborated with talented individuals in his field, including Katsuyuki Tabata and Tomokazu Furuno. These partnerships have likely fostered a creative environment that encourages the exchange of ideas and technological advancements.

Conclusion

Masayoshi Igarashi's contributions to motor drive and servo control technologies highlight his role as an influential inventor. His patents and collaborations reflect a commitment to innovation and excellence in engineering.

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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