Osaka, Japan

Masahiko Sogao

This inventor holds 4 USPTO granted patents and 1 published patent application, plus 1 CIPO patent. Top assignees: Kabushiki Kaisha Fujikin, Fujikin Inc.. Active years: 1995-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Sogao. Retrieved from https://idiyas.com/inventor/masahiko-sogao

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 100.0


Average Co-Inventor Count = 3.8

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1995-2019

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4 patents (USPTO):Explore Patents

Title: Masahiko Sogao: Innovator in Valve Technology

Introduction

Masahiko Sogao is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of valve technology, holding a total of four patents. His innovative designs focus on improving the functionality and reliability of valve systems.

Latest Patents

One of his latest patents is a valve device that features a simple configuration designed to prevent damage to the seat caused by self-excited oscillation of the valve body. This innovative valve includes a casing with a fluid inlet, a fluid outlet, and a valve chamber. The valve chamber contains a seat with a seat surface, a stem that is vertically movable, and a valve body positioned at the tip of the stem. This design ensures that the tip of the valve body does not contact the seat surface during oscillation, effectively preventing seat leakage.

Career Highlights

Throughout his career, Masahiko Sogao has worked with prominent companies such as Kabushiki Kaisha Fujikin and Fujikin Inc. His experience in these organizations has allowed him to refine his skills and contribute to advancements in valve technology.

Collaborations

Masahiko has collaborated with talented individuals in his field, including Tomohiro Mouri and Masakazu Nagao. These partnerships have fostered innovation and the development of new technologies.

Conclusion

Masahiko Sogao's work in valve technology exemplifies his commitment to innovation and improvement in engineering design. His patents reflect a deep understanding of the challenges faced in valve systems and offer practical solutions to enhance their performance.

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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