Nagakute, Japan

Hirohito Kawai

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2014-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohito Kawai. Retrieved from https://idiyas.com/inventor/hirohito-kawai

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 1.8

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Toyota, JP (2014)
  • Nagakute, JP (2015 - 2018)

Company Filing History:


Years Active: 2014-2018

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3 patents (USPTO):Explore Patents

Title: Hirohito Kawai: Innovator in Power Supply and Vehicle Technology

Introduction

Hirohito Kawai is a notable inventor based in Nagakute, Japan. He has made significant contributions to the field of power supply control and vehicle technology. With a total of three patents to his name, Kawai's work reflects his commitment to innovation and efficiency.

Latest Patents

Kawai's latest patents include a power supply control device and method. This invention involves a main battery and a sub-battery that serves as an auxiliary power source for supplying electric power to auxiliary machinery groups. In normal conditions, when the main battery is not degraded, the lower limit value of the state of charge (SOC) of the sub-battery is set to 0%. However, if the main battery is degraded, the lower limit value of the SOC of the sub-battery is adjusted to a predetermined maximum value. Another significant patent is an air-conditioner remote control system for vehicles, servers, and mobile terminals. This system calculates an estimated temperature range by adjusting the detected temperature with specific temperature widths. The results are displayed on a mobile terminal, allowing users to monitor the cabin temperature effectively.

Career Highlights

Kawai is currently employed at Toyota Jidosha Kabushiki Kaisha, a leading automotive manufacturer. His work at Toyota has allowed him to focus on developing innovative technologies that enhance vehicle performance and user experience. His contributions have been instrumental in advancing the company's technological capabilities.

Collaborations

Kawai has collaborated with notable coworkers, including Satoru Matsumoto and Naoya Inoue. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Hirohito Kawai is a distinguished inventor whose work in power supply control and vehicle technology has made a significant impact. His innovative patents and contributions to Toyota demonstrate his dedication to advancing technology in the automotive industry.

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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