Anpachi-gun, Japan

Koichiro Naruke

This inventor holds 4 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignee: Mitsubishi Materials Corporation. Active years: 2014-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichiro Naruke. Retrieved from https://idiyas.com/inventor/koichiro-naruke

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

USPTO Granted Patents = 4 

% Patents Active = 50.0

 

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2014-2018

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4 patents (USPTO):Explore Patents

Title: Koichiro Naruke: Innovator in Drill Technology

Introduction

Koichiro Naruke is a prominent inventor based in Anpachi-gun, Japan. He has made significant contributions to the field of drill technology, holding a total of 4 patents. His innovative designs focus on enhancing the efficiency and effectiveness of drilling operations.

Latest Patents

Naruke's latest patents include a drill designed for high-efficiency working. This drill features a cut debris discharge groove formed in the outer periphery of the drill body front end section, which rotates about its axis. The cutting edge is strategically placed at the front end of the drill body. The wall surface of the cut debris discharge groove is shaped with a concave curve line in a cross-section perpendicular to the axis, extending along a first circular arc. Another notable patent describes a drill that comprises a rotatable drill body on an axis. This design includes chip evacuating flutes that are open on the front flanks of the drill body and extend rearwards. The cutting edges are formed along the ridge lines where the front flanks intersect with the wall surfaces of the chip evacuating flutes, which face the drill's rotating direction. The design incorporates at least first and second front flanks, with the clearance angle of the second front flank being greater than that of the first.

Career Highlights

Koichiro Naruke is associated with Mitsubishi Materials Corporation, where he has been instrumental in developing advanced drilling technologies. His work has significantly impacted the efficiency of drilling processes in various applications.

Collaborations

Naruke has collaborated with notable coworkers, including Kazuya Yanagida and Nobuyuki Matsuda. Their combined expertise has contributed to the successful development of innovative drilling solutions.

Conclusion

Koichiro Naruke's contributions to drill technology exemplify his commitment to innovation and efficiency. His patents reflect a deep understanding of the mechanics involved in drilling, making him a valuable asset 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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