Hitachi, Japan

Ryozo Masaki

This inventor holds 8 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Industrial Equipment Systems Co., Ltd., Hitachi Powdered Metals Co., Ltd.. Active years: 1999-2009.

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

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


% Patents Active = 87.5

Average Co-Inventor Count = 3.2

ph-index = 6

Forward Citations = 81(Granted Patents)


Company Filing History:


Years Active: 1999-2009

Loading Chart...
8 patents (USPTO):Explore Patents

Title: Ryozo Masaki: Innovator in Electric Machine Technology

Introduction

Ryozo Masaki is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of electric machines, holding a total of eight patents. His innovative designs have advanced technology in various applications, particularly in automotive and industrial sectors.

Latest Patents

Masaki's latest patents include the "Claw Pole Rotating Electric Machine" and the "Electronic Throttle Valve Control Apparatus." The claw pole rotating electric machine features first and second claw cores arranged on a ring-shaped yoke, with claw magnetic poles extending in the axial direction. This design allows for efficient stator core formation through the meshing of claw magnetic poles. The electronic throttle valve control apparatus utilizes a sensor to detect throttle valve openings, with a microcomputer delivering a digital command value that is converted into an analog signal to control the throttle valve's opening.

Career Highlights

Throughout his career, Ryozo Masaki has worked with notable companies such as Hitachi, Ltd. and Hitachi Industrial Equipment Systems Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in electric machine technology.

Collaborations

Masaki has collaborated with esteemed colleagues, including Satoru Kaneko and Katsuji Marumoto. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Ryozo Masaki's contributions to electric machine technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in various industries, showcasing the importance of innovation in 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]
Loading…