Ohnuma-gun, Japan

Masahiko Ishida

This inventor holds 3 USPTO granted patents. Top assignee: Mitsubishi Shindoh Co., Ltd.. Active years: 2006-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Ishida. Retrieved from https://idiyas.com/inventor/masahiko-ishida-35y2u08l

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 = 3.5

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Aizuwakamatsu, JP (2006)
  • Ohnuma-gun, JP (2008 - 2009)

Company Filing History:


Years Active: 2006-2009

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3 patents (USPTO):Explore Patents

Title: Masahiko Ishida: Innovator in Copper Alloy Technology

Introduction

Masahiko Ishida is a notable inventor based in Ohnuma-gun, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced copper alloys. With a total of 3 patents to his name, Ishida's work is recognized for its innovative approach and technical depth.

Latest Patents

One of Ishida's latest patents focuses on a copper alloy and the method of manufacturing it. This copper alloy contains at least zirconium in an amount of not less than 0.005% by weight and not greater than 0.5% by weight. The alloy includes a first grain group with grains having a size of not greater than 1.5 μm, a second grain group with grains sized between 1.5 μm and less than 7 μm, and a third grain group with grains sized at not less than 7 μm. The grains in the second group are elongated in one direction. Additionally, the patent specifies that the sum of α and β is greater than γ, with α being the total area ratio of the first grain group, β the total area ratio of the second grain group, and γ the total area ratio of the third grain group, based on a unit area, where α + β + γ = 1.

Career Highlights

Ishida is currently employed at Mitsubishi Shindoh Co., Ltd., where he continues to innovate in the field of materials. His work has been instrumental in advancing the understanding and application of copper alloys in various industries.

Collaborations

Throughout his career, Ishida has collaborated with notable colleagues, including Takeshi Suzuki and Junichi Kumagai. These collaborations have further enriched his research and development efforts.

Conclusion

Masahiko Ishida's contributions to the field of copper alloy technology highlight his innovative spirit and dedication to advancing materials science. His patents reflect a deep understanding of the complexities involved in alloy development, making him a significant figure in his 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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