Kawasaki, Japan

Isao Oki

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Oki. Retrieved from https://idiyas.com/inventor/isao-oki-ssap7p58

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 = 3.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:

goldMedal1 out of 834,513 
Other
 patents

Years Active: 1979

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1 patent (USPTO):Explore Patents

Title: Isao Oki - Innovator of the Directional Change-Over Valve

Introduction

Isao Oki is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of engineering, particularly with his innovative designs that enhance the functionality of mechanical devices. His work is characterized by a focus on simplifying complex structures, making them more efficient and compact.

Latest Patents

Oki holds a patent for a directional change-over valve. This invention features a valve body with connecting surfaces on both sides, a spool that is slidably inserted into the valve body, and a check valve that can be replaced depending on its utility. The valve body contains multiple valve chambers, with the central chamber communicating with a hole for mounting the check valve. This design allows for the formation of parallel, tandem, and series circuits, ultimately simplifying the structure and circuits of the directional change-over valve device.

Career Highlights

Throughout his career, Isao Oki has demonstrated a commitment to innovation and efficiency in engineering. His patent reflects his ability to address practical challenges in valve design, showcasing his expertise in creating solutions that are both functional and compact.

Collaborations

Oki has collaborated with notable colleagues such as Toshio Maki and Kiyoshi Shirai. Their combined efforts in engineering have contributed to advancements in their respective fields.

Conclusion

Isao Oki's contributions to the field of engineering, particularly through his directional change-over valve patent, highlight his innovative spirit and dedication to improving mechanical designs. His work continues to influence the industry and inspire future inventors.

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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