Saitama, Japan

Shozo Sakaguchi

This inventor holds 4 USPTO granted patents. Top assignee: Jidosha Kiki Co., Ltd.. Active years: 1985-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shozo Sakaguchi. Retrieved from https://idiyas.com/inventor/shozo-sakaguchi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Yoshimi, JP (1985)
  • Saitama, JP (1987 - 1990)
  • Higashimatsuyama, JP (1995)

Company Filing History:


Years Active: 1985-1995

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4 patents (USPTO):Explore Patents

Title: The Innovations of Shozo Sakaguchi

Introduction

Shozo Sakaguchi is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of engineering, particularly in automotive components. With a total of 4 patents to his name, Sakaguchi has demonstrated a commitment to innovation and improvement in his industry.

Latest Patents

Sakaguchi's latest patents include a proportioning valve and an improved brake booster. The proportioning valve features an annular piston that is slidably fitted into a cylinder bore, along with a valve seat and a second spring installed in an output pressure chamber. This design ensures that the piston is positioned at a predetermined location. The brake booster patent discloses an improved diaphragm that partitions the interior of a shell into constant and variable pressure chambers. This diaphragm includes a bead around its inner periphery, with a lip that maintains a good seal against the valve body, allowing for elastic deformation.

Career Highlights

Throughout his career, Shozo Sakaguchi has worked with Jidosha Kiki Co., Ltd., where he has been able to apply his innovative ideas to practical applications. His work has contributed to advancements in automotive technology, enhancing safety and performance.

Collaborations

Sakaguchi has collaborated with notable coworkers such as Hitoshi Koyano and Mutsuro Yamakoshi. Their combined expertise has fostered a creative environment that encourages the development of new technologies.

Conclusion

Shozo Sakaguchi's contributions to the field of automotive engineering through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in technology.

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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