Kitakyushu, Japan

Hiroshi Oyama

This inventor holds 2 USPTO granted patents. Top assignee: Toto Ltd.. Active years: 1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Oyama. Retrieved from https://idiyas.com/inventor/hiroshi-oyama-y1253bz2

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 = 3.0

ph-index = 2

Forward Citations = 29(Granted Patents)


Company Filing History:


Years Active: 1983

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2 patents (USPTO):Explore Patents

Title: Innovations by Hiroshi Oyama

Introduction

Hiroshi Oyama is a notable inventor based in Kitakyushu, Japan. He has made significant contributions to the field of personal hygiene with his innovative devices. With a total of 2 patents, Oyama's work focuses on enhancing user comfort and cleanliness.

Latest Patents

Oyama's latest patents include a body part cleansing device and a topical washing device. The body part cleansing device is designed for use with a toilet and provides a jet of warm water mixed with air to cleanse specific body parts. This device features a cleaning nozzle that directs the water jet effectively, ensuring optimal hygiene. Additionally, it includes an auxiliary nozzle unit for cleaning the back portion of the toilet, all while being enclosed in a nozzle cover to maintain hygiene.

The topical washing device is utilized to clean predetermined body portions. It comprises a washing nozzle that discharges water, connected to a source via a water feed line. This device is equipped with a heat exchanger, heater, temperature sensor, heat-sensitive safety switch, and controller to ensure the water temperature remains comfortable for the user, even after periods of inactivity.

Career Highlights

Hiroshi Oyama is associated with Toto Ltd., a company renowned for its innovative bathroom products. His work at Toto Ltd. has allowed him to develop cutting-edge solutions that improve personal hygiene and user experience.

Collaborations

Oyama has collaborated with notable coworkers, including Shizuka Ando and Toshio Yamaguchi. Their combined efforts contribute to the advancement of hygiene technology within the company.

Conclusion

Hiroshi Oyama's inventions reflect a commitment to enhancing personal hygiene through innovative technology. His contributions to the field are significant and continue to influence the industry positively.

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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