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For the Inventor, By the Inventor

Kawasaki, Japan

Satoshi Yoshizawa

This inventor holds 37 USPTO granted patents and 1 published patent application, primarily in Vehicle Control Systems. Top assignees: Hitachi, Ltd., Subaru Corporation, Institute for Personalized Information Environment. Active years: 1991-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Yoshizawa. Retrieved from https://idiyas.com/inventor/satoshi-yoshizawa

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

USPTO Granted Patents = 37 

% Patents Active = 89.2

Average Co-Inventor Count = 3.6

ph-index = 14

Forward Citations = 704(Granted Patents)


Location History:

  • Kawasaki, JP (1991 - 1999)
  • Musashino, JP (1999 - 2005)
  • Saratoga, CA (US) (2001 - 2008)
  • Beijing, CN (2012)
  • Tokyo, JP (1996 - 2022)

Company Filing History:

goldMedal22 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal9 out of 2,437 
 
Subaru Corporation
 patents
bronzeMedal4 out of 8 
 
Institute for Personalized Information Environment
 patents
4. 1 out of 169 
 
Hitachi America, Ltd.
 patents
5. 1 out of 1 
 
Institut for Personalized Information Environment
 patent

Years Active: 1991-2026

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Areas of Expertise:
Motor Control Device
Vehicle Drive System
Force Sensor Diagnosis
Control Apparatus
Inertia Moment Calculation
Cognitive Wireless Communication
Quality of Service Management
Layer-Coded Data Transmission
Network Data Communication
Programmable Network
Image Detection Methods
Document Information Systems
37 patents (USPTO):Explore Patents
1. 12597875 - Motor control device, vehicle, computer program, and recording medium storing computer program (2026-04-07),
2. 12267033 - Motor drive system (2025-04-01),
3. 12227089 - Vehicle drive system (2025-02-18),
4. 12194799 - Force sensor diagnosis apparatus, vehicle, and recording medium containing computer program (2025-01-14),
5. 11505177 - Control apparatus for vehicle and control method for vehicle (2022-11-22),
6. 11498572 - Vehicle control based on calculated inertia moment of vehicle wheel (2022-11-15),
7. 10970945 - Control apparatus for vehicle and control method for vehicle (2021-04-06),
8. 10926646 - Vehicle control system and vehicle control method (2021-02-23),
9. 10926448 - Method for producing resin molded body and press molding apparatus (2021-02-23),
10. 8219131 - Cognitive wireless communication system (2012-07-10),
11. 7457239 - Method and apparatus for providing a quality of service path through networks (2008-11-25),
12. 6975645 - Layer-coded data transmitting apparatus (2005-12-13),
13. 6970912 - Computer system having a plurality of computers each providing a shared storage access processing mechanism for controlling local/remote access to shared storage devices (2005-11-29),
14. 6950436 - Network data communication system (2005-09-27),
15. 6944169 - Method and apparatus for managing quality of service in network devices (2005-09-13),

Title: **The Innovative Mind of Satoshi Yoshizawa**

Introduction

Satoshi Yoshizawa, located in Kawasaki, Japan, is an accomplished inventor with a remarkable portfolio of 35 patents. His work primarily focuses on advancements in vehicle technology, showcasing his extensive knowledge and innovative spirit in the automotive industry.

Latest Patents

Among Yoshizawa's latest inventions is a sophisticated vehicle drive system. This system incorporates a battery, multiple drive motors, inverter circuits, a step-up circuit, and a switch. The inverter circuits are designed to drive the motors effectively, while the step-up circuit enhances performance by connecting with the battery and inverter circuits. Additionally, the switch toggles the connection state of the inverter circuits to either a series or parallel configuration, optimizing the vehicle's efficiency.

Another noteworthy patent is a force sensor diagnosis apparatus that fundamentally enhances vehicle safety. This apparatus diagnoses malfunctions in a force sensor responsible for detecting external forces applied to a vehicle's wheel. By processing signals from the force and displacement sensors, it accurately determines the vehicle's height direction force components and compares them to establish whether the force sensor is functioning correctly.

Career Highlights

Yoshizawa has established a significant career through his associations with leading companies such as Hitachi, Ltd. and Subaru Corporation. His expertise in automotive technology and innovation has made substantial contributions to these enterprises, driving forward advancements in vehicle systems and safety.

Collaborations

Throughout his career, Yoshizawa has collaborated with esteemed colleagues such as Hideki Murayama and Takehisa Hayashi. These partnerships have facilitated the exchange of innovative ideas and have proven fruitful in driving collaborative advancements in automotive technologies.

Conclusion

Satoshi Yoshizawa exemplifies the innovative spirit that propels the automotive industry forward. His 35 patents not only demonstrate his technical expertise but also his commitment to enhancing vehicle technology and safety. As he continues to work alongside distinguished professionals and institutions, the future of vehicle innovation looks promising.

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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