Higashiyamato, Japan

Tsutomu Yamaguchi

This inventor holds 1 USPTO granted patent. Top assignee: Casio Hitachi Mobile Communications Co., Ltd.. Active years: 2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Yamaguchi. Retrieved from https://idiyas.com/inventor/tsutomu-yamaguchi-j622876r

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

Calculating rank

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 88(Granted Patents)


Company Filing History:


Years Active: 2011

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1 patent (USPTO):Explore Patents

Title: Tsutomu Yamaguchi: Innovator in Waterproof Structures

Introduction

Tsutomu Yamaguchi is a notable inventor based in Higashiyamato, Japan. He is recognized for his innovative contributions to waterproof structures, showcasing his expertise in engineering and design. His work has led to advancements that enhance the functionality and durability of various products.

Latest Patents

Yamaguchi holds a patent for a waterproof structure, which is designed to prevent water from penetrating between two casings. The invention features a first casing and a second casing that fits together, along with a waterproof member made of elastic material. This member is strategically designed to fit into a recess in the second casing, effectively blocking water ingress. The peripheral part of the waterproof member is laid out around the space between the two casings, ensuring a reliable seal. A projection engages with a dent, while a restriction part of the first casing prevents the waterproof member from dislodging.

Career Highlights

Yamaguchi is currently employed at Casio Hitachi Mobile Communications Co., Ltd., where he continues to apply his innovative skills. His work at this company has allowed him to contribute significantly to the field of mobile communications and waterproof technology.

Collaborations

Throughout his career, Yamaguchi has collaborated with talented individuals such as Yasuhiko Kawasaki and Takeru Baba. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Tsutomu Yamaguchi's contributions to waterproof structures exemplify his dedication to innovation and engineering excellence. His patent and ongoing work at Casio Hitachi Mobile Communications Co., Ltd. highlight his role as a significant figure in the field.

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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