Tokyo, Japan

Masahiko Yamasaki

This inventor holds 11 USPTO granted patents. Top assignees: Konica Corporation, Glory Kogyo Kabushiki Kaisha, Copal Company Limited. Active years: 1990-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Yamasaki. Retrieved from https://idiyas.com/inventor/masahiko-yamasaki

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

Calculating rank

% Patents Active = 81.8

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 44(Granted Patents)


Location History:

  • Hino, JP (1990 - 2002)
  • Tokyo, JP (1990 - 2007)

Company Filing History:


Years Active: 1990-2007

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11 patents (USPTO):Explore Patents

Title: Masahiko Yamasaki: Innovator in Crystal Cutting and Sheet Reversing Technologies

Introduction

Masahiko Yamasaki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of crystal cutting and sheet reversing technologies. With a total of 11 patents to his name, Yamasaki has demonstrated a commitment to innovation and excellence in his work.

Latest Patents

One of Yamasaki's latest patents is a method for cutting a single crystal ingot. The objective of this invention is to provide a method that allows for the accurate cutting of a single crystal ingot while ensuring that the resulting slices have a flat surface. This method also extends the life of the cutting blade beyond what is achievable with conventional techniques. The design involves a single crystal ingot positioned below a blade that runs endlessly along a circuit, enabling precise perpendicular cuts. The cutting machine is equipped to detect any inclination of the blade and correct it accordingly, ensuring optimal cutting performance.

Another notable patent is an apparatus for reversing a sheet, such as a banknote, from its front face to its rear face. This apparatus features a common path that connects to two conveyance paths, allowing for seamless and efficient processing of banknotes. The design minimizes delays in feeding banknotes into subsequent processing steps, thereby enhancing overall performance. The apparatus utilizes reversing rollers that operate based on electromagnetic clutches, ensuring quick and reliable conveyance.

Career Highlights

Throughout his career, Masahiko Yamasaki has worked with notable companies, including Konica Corporation and Glory Kogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise and innovative capabilities in the field.

Collaborations

Yamasaki has collaborated with talented individuals such as Yoshitaka Nagai and Tatsuya Kamata. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Masahiko Yamasaki's contributions to the fields of crystal cutting and sheet reversing technologies highlight his innovative spirit and dedication to advancing these industries. His patents reflect a deep understanding of engineering principles and a commitment to improving existing methods.

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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