Hitachi, Japan

Masaki Kaji

This inventor holds 1 USPTO granted patent. Top assignees: Hitachi, Ltd., Ihitachi Taga Technology, Ltd.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaki Kaji. Retrieved from https://idiyas.com/inventor/masaki-kaji-006abtxo

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 = 6.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Masaki Kaji - Innovator of the Bubble Massager

Introduction

Masaki Kaji is a notable inventor based in Hitachi, Japan. He is recognized for his innovative contributions to the field of personal wellness technology. His most significant invention is a bubble massager designed for use in bathtubs, which incorporates advanced features for enhanced user experience.

Latest Patents

Masaki Kaji holds a patent for a bubble massager that utilizes a rechargeable storage battery as its power supply. This invention includes a display unit that shows both the charging state and the operating state of the device. The bubble massager allows users to select from three types of bubble jets: weak, strong, and intermittent. Additionally, it features a mechanism to indicate trouble locations through high-speed flickering of the display unit. The design ensures that the jets are discharged in a controlled sequence, providing a soothing experience while minimizing sudden changes in jet strength.

Career Highlights

Throughout his career, Masaki Kaji has worked with prominent companies such as Hitachi, Ltd. and Hitachi Taga Technology, Ltd. His experience in these organizations has contributed to his expertise in developing innovative technologies that enhance user comfort and satisfaction.

Collaborations

Masaki Kaji has collaborated with notable colleagues, including Toshiharu Kodato and Kozo Tamura. Their combined efforts have led to advancements in the field of wellness technology.

Conclusion

Masaki Kaji's contributions to the invention of the bubble massager highlight his commitment to improving personal wellness through innovative technology. His work continues to influence the industry and enhance the bathing experience for users.

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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