Hiroshima, Japan

Tadashi Hashikawa

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Kobe Seiko Sho. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Hashikawa. Retrieved from https://idiyas.com/inventor/tadashi-hashikawa

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 = 7.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: The Innovations of Tadashi Hashikawa

Introduction

Tadashi Hashikawa is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of engineering, particularly in the design of bearing systems for heavy machinery. His innovative approach has led to the development of a unique patent that enhances the functionality of cone crushers.

Latest Patents

One of Hashikawa's most significant inventions is a bearing supporting system for cone crushers. This system is designed for cone crushers that feature a head center securely mounted on the upper portion of a main shaft. The main shaft is supported by an eccentric drive shaft in a radial direction. The support system includes a self-aligning thrust bearing mounted on an intermediate portion of the mantle shaft, which supports the main shaft on the eccentric drive shaft through the thrust bearing. This invention has the potential to improve the efficiency and reliability of cone crushers in various industrial applications. Hashikawa holds 1 patent for this innovative design.

Career Highlights

Tadashi Hashikawa has built a successful career at Kabushiki Kaisha Kobe Seiko Sho, a company known for its advancements in engineering and manufacturing. His work has been instrumental in developing technologies that enhance the performance of industrial machinery. His expertise in bearing systems has positioned him as a key figure in his field.

Collaborations

Throughout his career, Hashikawa has collaborated with talented individuals such as Toshimasa Hamada and Toneri Ohashi. These collaborations have fostered an environment of innovation and creativity, leading to advancements in engineering solutions.

Conclusion

Tadashi Hashikawa's contributions to the field of engineering, particularly through his patent for a bearing supporting system for cone crushers, highlight his innovative spirit and dedication to improving industrial machinery. His work continues to influence the industry and inspire future innovations.

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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