Kanagawa, Japan

Kiyoshi Kai

This inventor holds 2 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1992-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Kai. Retrieved from https://idiyas.com/inventor/kiyoshi-kai

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1992-2002

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2 patents (USPTO):Explore Patents

Title: Kiyoshi Kai: Innovator in Battery Technology

Introduction

Kiyoshi Kai is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of battery technology, holding a total of 2 patents. His work focuses on improving the efficiency and functionality of battery systems, particularly in portable devices.

Latest Patents

Kiyoshi Kai's latest patents include a "Charging system and charging method for use of battery power" and a "Remote commander." The charging system patent describes a battery pack that measures the consumption of battery power and transmits data, including a battery pack ID code and a charging server IP address, to an information device. This system allows for automatic payment procedures for battery consumption charges through a bank account. The remote commander patent involves a device that transmits command signals using a light-emitting element controlled by a transmitting integrated circuit, powered by a low voltage battery with a booster circuit.

Career Highlights

Kiyoshi Kai is currently employed at Sony Corporation, where he continues to innovate in the field of battery technology. His work has contributed to advancements in portable information devices, enhancing user experience and efficiency.

Collaborations

Kiyoshi has collaborated with notable coworkers, including Masaru Sato and Hatsuhiko Shinoda, who have also contributed to various projects within the company.

Conclusion

Kiyoshi Kai's innovative work in battery technology has positioned him as a key figure in the industry. His patents reflect a commitment to enhancing the functionality of portable devices, making significant strides in the field.

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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