Ibaraki, Japan

Mitsuhisa Tougasaki

This inventor holds 10 USPTO granted patents. Top assignees: Hitachi Construction Machinery Co., Ltd., Hitachi Construction Machinery. Active years: 2001-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuhisa Tougasaki. Retrieved from https://idiyas.com/inventor/mitsuhisa-tougasaki

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


% Patents Active = 60.0

Average Co-Inventor Count = 3.7

ph-index = 6

Forward Citations = 89(Granted Patents)


Location History:

  • Niihari-gun, JP (2002)
  • Ibaraki-ken, JP (2001 - 2004)
  • Tsuchiura, JP (2007 - 2013)
  • Ibaraki, JP (2016)

Company Filing History:


Years Active: 2001-2016

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10 patents (USPTO):Explore Patents

Title: Mitsuhisa Tougasaki: Innovator in Valve Technology

Introduction

Mitsuhisa Tougasaki is a prominent inventor based in Ibaraki-ken, Japan. He has made significant contributions to the field of valve technology, holding a total of 10 patents. His innovative designs have advanced the functionality and efficiency of various mechanical systems.

Latest Patents

Tougasaki's latest patents include a multiple valve device and a directional control valve device. The multiple valve device features a unique valve housing split into two parts, allowing for a three-dimensional structure with multiple spool sliding bores. This design includes a relief valve that suppresses maximum pressures in oil passages to a predetermined set pressure or less. The directional control valve device incorporates a pressure chamber that acts on a valve element, facilitating communication between oil chambers and control valves, thus enhancing operational efficiency.

Career Highlights

Throughout his career, Mitsuhisa Tougasaki has worked with notable companies, including Hitachi Construction Machinery Co., Ltd. and Hitachi Construction Machinery. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in valve technology.

Collaborations

Tougasaki has collaborated with esteemed colleagues such as Yoshizumi Nishimura and Yusaku Nozawa. These partnerships have fostered a creative environment that has led to the development of advanced technologies in their field.

Conclusion

Mitsuhisa Tougasaki's contributions to valve technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the design and functionality of mechanical systems, showcasing the importance of innovation in engineering.

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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