Hidenori Yamanashi

This inventor holds 23 USPTO granted patents, primarily in Electric Vehicle Technology. Top assignees: Yazaki Corporation, Mitsubishi Corporation. Active years: 1987-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidenori Yamanashi. Retrieved from https://idiyas.com/inventor/hidenori-yamanashi

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

Calculating rank

USPTO Granted Patents = 23

% Patents Active = 91.3

Average Co-Inventor Count = 1.9

ph-index = 6

Forward Citations = 158(Granted Patents)

Location History:

Gotenba, JP (1987 - 1997)
Shizuoka-ken, JP (1999 - 2001)
Shizuoka, JP (1992 - 2002)
Susono, JP (2005)

Company Filing History:

Mitsubishi Corporation

patents

where one patent can have more than one assignee

Years Active: 1987-2005

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Areas of Expertise:

Electric Vehicle

Battery Charging

Electromagnetic Shielding

Conductive Materials

Carbon Thread

Heat Radiation

Circuit Board

Thermistor Monitor

PTC Element

Bromine-Treated Graphite

Fluorinated Graphite

Spark Plug Structure

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6851970 - Joint connector (2005-02-08),

2. 6459167 - System for controlling electromotive force of motor of electric vehicle (2002-10-01),

3. 6444911 - Bus bar wiring plate body for electric coupling box (2002-09-03),

4. 6313996 - Heat radiation system for electric circuitry (2001-11-06),

5. 6232746 - Battery charging apparatus and full-charging detecting method (2001-05-15),

6. 6222345 - Control device for a battery (2001-04-24),

7. 5973605 - Thermistor monitor system (1999-10-26),

8. 5868967 - Carbon thread and process for producing it (1999-02-09),

9. 5793277 - PTC element and its mounting member assembly for electrical junction box (1998-08-11),

10. 5714050 - Method of producing a box-shaped circuit board (1998-02-03),

11. 5677009 - Method of producing metal plated coating material (1997-10-14),

12. 5556702 - Metal plated carbon material and method of producing thereof (1996-09-17),

13. 5556608 - Carbon thread and process for producing it (1996-09-17),

14. 5554678 - Electromagnetic shielding composite (1996-09-10),

15. 5468918 - Conductive member for electric circuit and electric circuit body, and (1995-11-21),

Title: Hidenori Yamanashi: Innovator in Electric Vehicle Technology

Introduction: Hidenori Yamanashi, an accomplished inventor based in Shizuoka, Japan, has made significant contributions to the field of electrical engineering through his 23 patents. His innovative solutions primarily focus on enhancing the efficiency and reliability of electric vehicle components.

Latest Patents: Among Yamanashi's latest patents is a groundbreaking joint connector design. This joint connector incorporates a female housing, a male housing, a flexible print circuit (FPC), and a seal member. It features lock holes in the female housing and accommodates terminal fittings in the male housing, which also includes lock projections. The innovative design ensures that each terminal fitting maintains a resilient connection and the seal member guarantees a liquid-tight gap between the housings.

Another noteworthy patent addresses the control of electromotive force in electric vehicle motors. Yamanashi developed a system featuring an intelligent-power switch unit (IPS1), which connects the power supply line in parallel with the main relay. This replaces traditional precharge circuits and integrates a MOSFET for efficient operation. The innovation significantly reduces cost and size while preventing potential damage to the motor controller due to rush currents.

Career Highlights: Yamanori Yamanashi has had a distinguished career, having worked with prominent companies such as Yazaki Corporation and Mitsubishi Corporation. His roles in these organizations have allowed him to develop and refine technologies that contribute to the advancement of electric vehicles.

Collaborations: Throughout his career, Yamanashi has collaborated with talented professionals, including Makoto Katsumata and Hitoshi Ushijima. These collaborations have resulted in innovative projects and enhanced technological solutions within the automotive industry.

Conclusion: Hidenori Yamanashi's contributions to the field of electric vehicle technology through his patents and collaborations demonstrate his dedication to innovation. His inventive spirit continues to inspire advancements that are shaping the future of sustainable transportation.

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]