Nara, Japan

Kazushige Kawahara

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 2001-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazushige Kawahara. Retrieved from https://idiyas.com/inventor/kazushige-kawahara

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 = 7.0

ph-index = 2

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 2001-2005

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2 patents (USPTO):Explore Patents

Title: Kazushige Kawahara: Inventor of a Whole-Body Shower Bath

Introduction

Kazushige Kawahara is an inventor associated with Nara, Japan. His work includes a shower bath apparatus designed to provide a warm, relaxing bathing experience while seated. He is credited with 2 patents.

Latest Patents

Kawahara’s listed patent, “Shower Bath Apparatus and Spray Nozzle,” describes an apparatus with a body, a seat, and an arm fitted with at least one spray nozzle. The nozzles direct hot water around a seated user, enveloping the body to create a warm feeling comparable to bathing in a tub. The patent title and description were provided twice in the supplied information.

Career Highlights

Kawahara’s listed professional affiliations include Matsushita Electric Industrial Co., Ltd., now known as Panasonic Corporation, and Panasonic Intellectual Property Management Co., Ltd. The available details connect his work to shower-bathing technology and patent development.

Collaborations

His listed coworkers include Shigeru Shirai and Masaaki Kawaguri.

Conclusion

Kazushige Kawahara’s patent work focuses on a seated shower bath that uses surrounding hot-water sprays to offer a comfortable, whole-body bathing experience.

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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