Itami, Japan

Hirofumi Tamanishi

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Sumitomo Electric Hardmetal Corp.. Active years: 2011-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Tamanishi. Retrieved from https://idiyas.com/inventor/hirofumi-tamanishi

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 = 3.0

ph-index = 3

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 2011-2020

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3 patents (USPTO):Explore Patents

Title: Innovations of Hirofumi Tamanishi

Introduction

Hirofumi Tamanishi is a notable inventor based in Itami, Japan. He has made significant contributions to the field of cutting tools, particularly through his innovative designs and patents. With a total of 3 patents to his name, Tamanishi continues to push the boundaries of technology in his industry.

Latest Patents

One of Tamanishi's latest patents is a drill design that features a unique negative land configuration. This design includes a first region where the space between the upper cutting edge and the lower cutting edge widens toward the outer circumferential surface. Additionally, there is a second region that is continuous with the first, where the space also widens toward the rotation axis. In a cross-section perpendicular to the rotation axis, the rake face incorporates a return face that is recessed opposite to the drill's rotation direction. Notably, the length of the first boundary, which separates the outer circumferential surface from the first region, is greater than the length of the second boundary, which separates the first region from the second region. The second boundary is also continuous with the return face.

Career Highlights

Hirofumi Tamanishi is currently employed at Sumitomo Electric Hardmetal Corporation, where he applies his expertise in developing advanced cutting tools. His work has been instrumental in enhancing the efficiency and effectiveness of drilling operations.

Collaborations

Throughout his career, Tamanishi has collaborated with esteemed colleagues such as Kunishige Tanaka and Yasuyuki Kanada. These partnerships have fostered innovation and contributed to the success of various projects within the company.

Conclusion

Hirofumi Tamanishi's contributions to the field of cutting tools through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the industry and pave the way for future advancements.

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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