Tokyo, Japan

Hisao Inami

This inventor holds 6 USPTO granted patents and 2 published patent applications. Top assignees: Hitachi, Ltd., Hitachi High-Tech Corporation, Hitachi-High-Technologies Corporation. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisao Inami. Retrieved from https://idiyas.com/inventor/hisao-inami

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

Calculating rank
USPTO Granted Patents = 6 

% Patents Active = 50.0

Average Co-Inventor Count = 4.2

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Matsudo, JP (2009 - 2012)
  • Tokyo, JP (2016 - 2019)

Company Filing History:


Years Active: 2009-2025

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6 patents (USPTO):Explore Patents

Title: Hisao Inami: Innovator in Flow Passage Technology

Introduction

Hisao Inami is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of flow passage technology, holding a total of six patents. His innovative designs focus on enhancing the efficiency and longevity of flow passage systems.

Latest Patents

Hisao Inami's latest patents include the flow passage switching valve, flow passage switching valve system, and liquid chromatograph. The flow passage switch valve is designed for extended service life by distributing wear across the sliding surfaces of a stator and a rotor. This design features fixed stator flowpaths and rotor flowpaths that create various connection patterns based on the rotor's rotation state. The liquid chromatograph incorporates a long-life flow passage switching valve that minimizes abrasion from sliding components, ensuring reliable performance.

Career Highlights

Throughout his career, Hisao Inami has worked with notable companies such as Hitachi, Ltd. and Hitachi High-Tech Corporation. His experience in these organizations has allowed him to develop and refine his innovative technologies, contributing to advancements in flow passage systems.

Collaborations

Hisao Inami has collaborated with esteemed colleagues, including Yasuhiko Sasaki and Ryo Miyake. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking technologies in their field.

Conclusion

Hisao Inami's work in flow passage technology exemplifies innovation and dedication to improving system efficiency. His contributions continue to influence the industry and inspire future advancements.

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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