Yamanashi, Japan

Osamu Sumiya

This inventor holds 1 USPTO granted patent. Top assignee: Tokico, Ltd.. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Sumiya. Retrieved from https://idiyas.com/inventor/osamu-sumiya-0ozsdbq6

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 = 1

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Osamu Sumiya

Introduction

Osamu Sumiya is a notable inventor based in Yamanashi-ken, Japan. He has made significant contributions to the field of technology, particularly in the development of devices that enhance the functionality and reliability of solenoid valves. His innovative approach has led to the creation of a patent that addresses critical issues in solenoid valve operation.

Latest Patents

One of Osamu Sumiya's key patents is a "Device for detecting fault in solenoid valve." This invention is designed to prevent damage to a feeding system that supplies drive current to a solenoid valve coil during fault detection. The device includes a first switch installed between one end of the solenoid valve coil and a battery, a second switch between the other end of the coil and ground, and a series of wires connecting these components. A test power supply system is also integrated, which supplies a micro test current to the solenoid valve coil when the main current is cut off. A controller manages the operation of the switches and detects faults based on the voltage at the opposite end of the solenoid valve coil.

Career Highlights

Osamu Sumiya is associated with Tokico, Ltd., where he has been able to apply his inventive skills to develop practical solutions in the field of solenoid valves. His work has not only contributed to the advancement of technology but has also improved the safety and efficiency of various systems that rely on solenoid valves.

Collaborations

Throughout his career, Osamu has collaborated with talented individuals such as Toshio Takayama and Kazumoto Sano. These collaborations have fostered an environment of innovation and creativity, leading to the development of effective solutions in their respective fields.

Conclusion

Osamu Sumiya's contributions to the field of solenoid valve technology exemplify the impact of innovative thinking in engineering. His patent for detecting faults in solenoid valves showcases his commitment to enhancing system reliability and safety. His work continues 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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