Hikone, Japan

Kenzo Shirakawa

This inventor holds 4 USPTO granted patents. Top assignee: Matsushita Electric Works, Ltd.. Active years: 1983-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenzo Shirakawa. Retrieved from https://idiyas.com/inventor/kenzo-shirakawa

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 = 4.1

ph-index = 4

Forward Citations = 73(Granted Patents)


Company Filing History:


Years Active: 1983-1993

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4 patents (USPTO):Explore Patents

Title: Kenzo Shirakawa: Innovator in Electric Appliances

Introduction

Kenzo Shirakawa is a notable inventor based in Hikone, Japan. He has made significant contributions to the field of electric appliances, holding a total of 4 patents. His innovative designs focus on enhancing user experience and functionality in everyday devices.

Latest Patents

One of his latest inventions is the reciprocatory electric shaver. This device features a cutter head with a pair of elongated cutter heads mounted to a head frame. Each cutter head is designed to float independently, allowing for maximum skin engagement and enhanced shaving performance, particularly on irregularly contoured skin. Another significant patent is for a battery-powered electric appliance. This portable device utilizes both main and reserve batteries, ensuring that the main battery is used first. The design prevents accidental interruptions in operation, as the reserve battery only activates once the main battery is exhausted.

Career Highlights

Kenzo Shirakawa is associated with Matsushita Electric Works, Ltd., a company known for its commitment to innovation in electrical engineering. His work has contributed to the advancement of electric appliances, making them more efficient and user-friendly.

Collaborations

Throughout his career, Kenzo has collaborated with notable coworkers such as Masao Matsumoto and Shinsaku Yasunaka. Their combined efforts have led to the development of groundbreaking technologies in the field.

Conclusion

Kenzo Shirakawa's contributions to electric appliances demonstrate his innovative spirit and dedication to improving everyday technology. His patents reflect a commitment to enhancing user experience and functionality in electric devices.

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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