Nagoya, Japan

Hiroyuki Shiga

This inventor holds 1 USPTO granted patent. Top assignees: Chuo Spring Co., Ltd., Nippon Seisen Co., Ltd.. Active years: 2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Shiga. Retrieved from https://idiyas.com/inventor/hiroyuki-shiga-c736hll3

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 = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2013

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1 patent (USPTO):Explore Patents

Title: Hiroyuki Shiga: Innovator in Heat-Resistant Alloys

Introduction

Hiroyuki Shiga is a notable inventor based in Nagoya, Japan. He is recognized for his contributions to the field of materials science, particularly in the development of heat-resistant alloys. His innovative work has led to advancements in various industrial applications.

Latest Patents

Hiroyuki Shiga holds a patent for a heat-resistant alloy spring and a Ni-based alloy wire therefor. The patent describes a heat-resistant alloy spring made from a Ni-based alloy material that includes specific weight percentages of various elements. These elements include not more than 0.1% C, not more than 1.0% Si, not more than 1.50% Mn, and a range of 13.0 to 25.0% Cr, among others. The alloy is characterized by its crystal structure, which features gamma prime phases that enhance its performance in high-temperature environments. He has 1 patent to his name.

Career Highlights

Throughout his career, Hiroyuki Shiga has worked with prominent companies in the industry. Notably, he has been associated with Nippon Seisen Co., Ltd. and Chuo Spring Co., Ltd. His work in these organizations has contributed significantly to the development of advanced materials.

Collaborations

Hiroyuki Shiga has collaborated with esteemed colleagues such as Yoshinori Tanimoto and Naoyuki Kawahata. These partnerships have fostered innovation and have been instrumental in the advancement of their shared projects.

Conclusion

Hiroyuki Shiga's contributions to the field of heat-resistant alloys exemplify the impact of innovative thinking in materials science. His patent and collaborations highlight his commitment to advancing technology in this area.

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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