Tokyo, Japan

Hitoshi Koshimizu

This inventor holds 2 USPTO granted patents. Top assignees: Nippon Chemical Industrial Co., Ltd., Railway Technical Research Institute, Tdk Corporation. Active years: 1995-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Koshimizu. Retrieved from https://idiyas.com/inventor/hitoshi-koshimizu

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 = 3.7

ph-index = 1

Forward Citations = 43(Granted Patents)


Company Filing History:


Years Active: 1995-1996

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2 patents (USPTO):Explore Patents

Title: Hitoshi Koshimizu: Innovator in Tape Technology and Concrete Preservation

Introduction

Hitoshi Koshimizu is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of tape technology and concrete preservation. With a total of 2 patents, Koshimizu's work reflects his innovative spirit and dedication to improving existing technologies.

Latest Patents

Koshimizu's latest patents include an endless-loop tape cassette with a backstop and transmission mechanism. This invention features an endless-loop magnetic tape and a disk that allows for efficient rotation along with the supply and take-up reel shafts. The design incorporates a transmission mechanism that facilitates rotary movement between the disk and a rotating member, enhancing the functionality of the tape cassette.

Another significant patent is a cement additive for inhibiting concrete deterioration. This additive comprises a powder mixture of an inorganic cation exchanger, such as a highly calcium-substituted zeolite, and an inorganic anion exchanger, like hydrocalumite. This innovative solution effectively inhibits the alkali-aggregate reaction and protects reinforcing steel from corrosion, thereby extending the lifespan of concrete constructions.

Career Highlights

Throughout his career, Koshimizu has worked with reputable organizations, including Nippon Chemical Industrial Co., Ltd. and the Railway Technical Research Institute. His experience in these companies has contributed to his expertise in developing innovative solutions in his fields of interest.

Collaborations

Koshimizu has collaborated with notable coworkers such as Hidenobu Tatematsu and Tohru Nakamura. Their combined efforts have likely fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Hitoshi Koshimizu's contributions to tape technology and concrete preservation demonstrate his commitment to innovation. His patents reflect a deep understanding of material science and engineering principles. Koshimizu's work continues to influence the industry and inspire future inventors.

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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