Wako, Japan

Yoshimichi Tsubata

This inventor holds 22 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent, primarily in Vehicular Transmission. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha, Keihin Corporation. Active years: 1992-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshimichi Tsubata. Retrieved from https://idiyas.com/inventor/yoshimichi-tsubata

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

Calculating rank

% Patents Active = 50.0



Average Co-Inventor Count = 3.6

ph-index = 7

Forward Citations = 133(Granted Patents)


Location History:

  • Tokyo, JP (2009)
  • Saitama, JP (1992 - 2014)
  • Wako, JP (2000 - 2024)

Company Filing History:


Years Active: 1992-2024

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Areas of Expertise:
High-Voltage Apparatus
Vehicle Control System
Fluid Transmission
Hydraulic Control Device
Solenoid Valve
Baffle Plate Support
Torque Converter
Creep Control
Transmission Oil Pressure
Lubrication Pressure
Clutch Hydraulic Controller
Detent Structure
22 patents (USPTO):Explore Patents

Title: Innovations of Yoshimichi Tsubata: Pioneering High-Voltage Technology in Electric Vehicles

Introduction

Yoshimichi Tsubata, based in Wako, Japan, is a prolific inventor credited with an impressive portfolio of 22 patents. His innovative work primarily focuses on high-voltage applications and vehicle control systems, contributing significantly to advancements in electric vehicle technology.

Latest Patents

Among Tsubata's latest patents are two notable inventions:

1. **High-voltage apparatus and vehicle** - This invention includes a battery unit housed within a protective case featuring a circumferential wall section that hosts a cable insertion port. Notably, it incorporates a water detection sensor positioned near the circumferential wall section, designed to identify water ingress within the case.

2. **Vehicle control system** - This system features a high-voltage battery for electric power storage, housed in a battery box. It includes a power drive unit that regulates the vehicle's acceleration and deceleration in response to driver requests. Importantly, the vehicle is equipped with a water sensor that detects moisture in the battery section; in the event of water detection, the system limits acceleration and deceleration, ensuring the vehicle operates safely.

Career Highlights

Yoshimichi Tsubata has had a noteworthy career, working with prominent organizations such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these industry-leading companies has allowed him to refine his expertise in high-voltage technologies and electric vehicle systems.

Collaborations

Throughout his career, Tsubata has collaborated with distinguished colleagues, including Eiji Ohyama and Tomoyuki Kanda. Their teamwork has undoubtedly fostered a creative environment, pushing the boundaries of innovation in their respective fields.

Conclusion

Yoshimichi Tsubata's contributions to high-voltage technology and vehicle control systems mark him as a leading inventor in the automotive industry. With a total of 22 patents, his work not only enhances the safety and performance of electric vehicles but also propels the industry towards a more sustainable future. The significance of his innovations serves as a testament to the critical role inventors play in shaping technology and advancing modern 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]
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