logo

For the Inventor, By the Inventor

Hitachi, Japan

Masatoshi Kumagai

This inventor holds 35 USPTO granted patents and 3 published patent applications and 17 EPO patents, primarily in Power System Management. Top assignees: Hitachi, Ltd., Xanavi Informatics Corporation, Clarion Co. Active years: 2006-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatoshi Kumagai. Retrieved from https://idiyas.com/inventor/masatoshi-kumagai

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

USPTO Granted Patents = 35 

% Patents Active = 54.3

 

Average Co-Inventor Count = 3.7

ph-index = 9

Forward Citations = 361(Granted Patents)


Location History:

  • Marunouchi, JP (2009)
  • Sendai, JP (2012)
  • Paris, FR (2013)
  • Hitachi, JP (2008 - 2014)
  • Ibaraki, JP (2009 - 2014)
  • Tokyo, JP (2006 - 2022)

Company Filing History:

goldMedal23 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal6 out of 146 
 
Xanavi Informatics Corporation
 patents
bronzeMedal3 out of 1,057 
 
Clarion Co
 patents
4. 1 out of 1 
 
Global Media Online, Inc.
 patent
5. 1 out of 2,028 
 
Hitachi Automotive Systems, Ltd.
 patents
6. 1 out of 1,962 
 
Jfe Steel Corporation
 patents
7. 1 out of 3 
 
Tohoku Electric Manufacturing Co., Ltd.
 patents
8. 1 out of 66 
 
Tohoku Electric Power Company, Inc.
 patents
where one patent can have more than one assignee

Years Active: 2006-2024

Loading Chart...
Loading Chart...
Areas of Expertise:
Energy Management
Power System Stabilization
Traffic Information
Power Flow Monitoring
Voltage Control
Photovoltaic Estimation
Route Planning
Incident Resolution
Traffic Data Processing
Dynamic Prediction
Distributed Control
35 patents (USPTO):Explore Patents
1. 12132336 - Region energy management device and region energy management method (2024-10-29),
2. 11456619 - Energy operation support system and method thereof (2022-09-27),
3. 11121553 - Power system stability analysis device, stabilization apparatus, and method (2021-09-14),
4. 11088569 - Power flow monitoring device for power system, power system stabilization device, and power flow monitoring method for power system (2021-08-10),
5. 11042134 - Power system status estimation device and status estimation method (2021-06-22),
6. 11035892 - Electric power system monitoring apparatus and electric power system monitoring method (2021-06-15),
7. 10860000 - Power system stabilization system and method (2020-12-08),
8. 10389127 - Power system stabilization system (2019-08-20),
9. 10361560 - Power system control instruction device and method for controlling a voltage of a power system (2019-07-23),
10. 10211777 - Photovoltaic power generator output estimation method and device, and power system monitoring device using same (2019-02-19),
11. 9780563 - Power system control system and distributed controller used in same (2017-10-03),
12. 9774216 - System and method for controlling power system (2017-09-26),
13. 9239242 - Route calculation system, navigation device, and route calculation method (2016-01-19),
14. 8751077 - Route planning device and route planning system (2014-06-10),
15. 8700293 - Traffic information distribution method, traffic information distribution apparatus and in-vehicle terminal (2014-04-15),

Title: **Masatoshi Kumagai: Innovator in Regional Energy Management**

Introduction

Masatoshi Kumagai, based in Hitachi, Japan, is a distinguished inventor with an impressive portfolio of 35 patents. His innovative contributions have significantly impacted the field of energy management.

Latest Patents

Kumagai's recent patents demonstrate his focus on advancing regional energy management systems. One of his latest inventions is the "Regional Energy Management Device and Region Energy Management Method." This device calculates power interchange between consumers by considering storage battery level distributions, power excesses or shortages, and overall regional target indices. Another significant patent is the "Energy Operation Support System and Method Thereof," which involves an energy management apparatus that manages energy-consuming targets and utilizes a user terminal to communicate with users. This system innovatively predicts energy consumption patterns based on user interactions.

Career Highlights

Throughout his career, Kumagai has worked with prominent companies, including Hitachi, Ltd. and Xanavi Informatics Corporation. His roles in these organizations have allowed him to apply his inventive talents and contribute to cutting-edge developments in energy management technologies.

Collaborations

Masatoshi has collaborated with talented professionals such as Kenichiro Yamane and Mariko Okude. These partnerships have fostered an environment of creativity and innovation, leading to the development of groundbreaking energy solutions.

Conclusion

Masatoshi Kumagai's dedication to innovation in energy management underscores his role as a leader in the field. His patents not only reflect his expertise but also his commitment to advancing sustainable energy solutions for consumers.

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…