Hitachinaka, Japan

Masanori Watanabe

This inventor holds 43 USPTO granted patents and 6 published patent applications and 4 EPO patents, primarily in Image Management Systems. Top assignees: Hitachi Koki Co., Ltd., Hitachi, Ltd., Ricoh Company, Ltd.. Active years: 1997-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Watanabe. Retrieved from https://idiyas.com/inventor/masanori-watanabe-1u2fp9sp

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

Calculating rank
USPTO Granted Patents = 43 

% Patents Active = 72.1


Average Co-Inventor Count = 4.1

ph-index = 13

Forward Citations = 525(Granted Patents)


Location History:

  • Ibaraki-ken, JP (1997)
  • Ibaraki, JP (2003 - 2010)
  • Chiyoda, JP (2008 - 2011)
  • Munich, DE (2016)
  • Hitachinaka, JP (2008 - 2019)
  • Tokyo, JP (2016 - 2022)

Company Filing History:


Years Active: 1997-2025

Loading Chart...
Loading Chart...
Areas of Expertise:
Image Management
High-Pressure Fuel Pump
Electric Power Tool
Probe Systems
Oscillation Analysis
Charged Particle Beam
Sound Absorbing
Gas Turbine
Motor-Driven Tool
Fan Motor
Power Tool
Control Method
43 patents (USPTO):Explore Patents

Title: The Innovative Mind of Masanori Watanabe: A Journey Through His Patents

Introduction: Masanori Watanabe, based in Hitachinaka, Japan, is a prolific inventor with an impressive portfolio of 41 patents. His contributions to the fields of image management and motor control technology have made significant impacts in various industrial applications.

Latest Patents: Among his latest innovations, Watanabe developed an advanced image management system. This system is designed to communicate with a first communication terminal through a communication network. It features an image storage unit for storing image data, a receiving unit for acquiring link information that includes image identification and predetermined-area information, and a transmitting unit for sending the relevant image data back to the terminal.

Another notable invention is the inverter control device, which aims to effectively reduce vibration and noise from motors. The inverter circuit transforms direct current from a power supply into alternating current, using a series of IGBTs as switching elements to drive the motor. The controller ensures that certain excitation forces produced by the fundamental currents and harmonic currents do not overlap at specific operational speeds, optimizing performance and minimizing disturbances.

Career Highlights: Watanabe has had a distinguished career, working for esteemed companies such as Hitachi Koki Co., Ltd. and Hitachi, Ltd. His work at these organizations facilitated his growth as an innovator and allowed him to contribute substantially to technological advancements.

Collaborations: Throughout his career, Watanabe collaborated with notable coworkers, including Chikai Yoshimizu and Katsuhiro Oomori. These partnerships have been instrumental in fostering innovative ideas and realizing his visions through successful patent applications.

Conclusion: Masanori Watanabe stands out as a key figure in the realm of innovation, with a rich legacy reflected in his patents. His contributions to image management systems and motor control devices are a testament to his ingenuity and dedication to advancing technology. The impact of his work continues to resonate within the fields he has touched, inspiring future innovations.

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…