Saitama, Japan

Mitsuhiro Hayashi

This inventor holds 1 USPTO granted patent. Top assignee: Showa Corporation. Active years: 2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuhiro Hayashi. Retrieved from https://idiyas.com/inventor/mitsuhiro-hayashi-2msrq0tg

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 = 2.0

ph-index = 1


Company Filing History:


Years Active: 2005

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1 patent (USPTO):Explore Patents

Title: Mitsuhiro Hayashi and Marine Gas Cylinder Technology.

Introduction

Mitsuhiro Hayashi is an inventor associated with Saitama, Japan. His listed patent concerns a marine gas cylinder apparatus, and his company affiliation is Showa Corporation.

Latest Patents

Hayashi is credited with one patent: “Marine gas cylinder apparatus.” The invention describes a switching valve apparatus that can change communication among a piston rod side oil chamber, a piston side oil chamber, and a gas chamber. Poppet valves are positioned at ports opening into a communication chamber within a valve case. Balls held between the poppet valves and a rotating plate transmit the plate’s movement, bringing each valve closer to or farther from its corresponding port. The record lists 1 patent for Hayashi.

Career Highlights

The available information identifies Hayashi as an inventor associated with Showa Corporation and links his work to marine gas cylinder equipment. The patent’s mechanism uses a rotating plate and ball-operated poppet valves to control communication between chambers.

Collaborations

Yoshimi Watanabe is listed as Hayashi’s coworker. The provided information does not specify whether Watanabe collaborated on the patent.

Conclusion

Mitsuhiro Hayashi’s listed invention focuses on a valve mechanism for controlling fluid communication in a marine gas cylinder apparatus, reflecting his documented contribution to engineering at Showa Corporation.

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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