Takaishi, Japan

Zirou Itogawa

This inventor holds 2 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Zirou Itogawa. Retrieved from https://idiyas.com/inventor/zirou-itogawa

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 = 3.2

ph-index = 2

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 1981

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2 patents (USPTO):Explore Patents

Title: The Innovative Mind of Zirou Itogawa

Introduction

Zirou Itogawa, an esteemed inventor based in Takaishi, Japan, has made significant contributions to the field of hair styling technology. With two unique patents to his name, Itogawa's innovations focus on enhancing the hair waving experience, particularly through the integration of advanced technology and user-friendly design.

Latest Patents

Itogawa's latest patents showcase his creativity and technical expertise. The first patent describes a hair waving appliance that enables hair to be treated with a waving agent under controlled heat conditions. Users, including beauticians, can adjust the temperature and duration of the reaction, allowing for flexibility in achieving the desired permanent wave. This appliance utilizes milder waving agents and generates mist at room temperature, ensuring a safe yet effective waving process.

The second patent features a heating type hair waving appliance equipped with a bonnet designed for the hairline area of the user. This innovative device uses infrared radiation lamps to provide heat, controlled by a microcomputer-based system. The user can interact with the appliance through an input keyboard, while a solid-state display communicates the operational state of the infrared lamps. Additionally, an ultrasonic atomizer generates moisture-laden mist, enhancing the hair waving process within the bonnet.

Career Highlights

Zirou Itogawa is currently associated with Sharp Corporation, a reputable company known for its cutting-edge innovations in technology. His work in the hair styling industry represents a blend of creativity and engineering acumen, affirming his position as a leading inventor in this niche market.

Collaborations

Throughout his career, Itogawa has collaborated with several notable individuals, including fellow inventors Susumu Tsujimoto and Hayao Yamazaki. These partnerships have fostered an environment of shared knowledge and creativity, leading to advancements and improvements in hair styling appliances.

Conclusion

Zirou Itogawa's contributions to the field of hair styling through his innovative patents have significantly impacted how hair waving is approached today. His dedication to improving user experience, combined with technological integration, exemplifies the spirit of innovation. As he continues to work with Sharp Corporation and collaborate with talented colleagues, the future promises more exciting advancements from this inventive mind.

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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