logo

For the Inventor, By the Inventor

Ibaraki, Japan

Hiroyoshi Yamamoto

This inventor holds 5 USPTO granted patents and 2 published patent applications. Top assignees: Jx Nippon Mining Metals Corporation, Jx Advanced Metals Corporation, Jx Metals Corporation. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyoshi Yamamoto. Retrieved from https://idiyas.com/inventor/hiroyoshi-yamamoto-mak8ij91

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:

goldMedal3 out of 481 
 
Jx Nippon Mining Metals Corporation
 patents
silverMedal1 out of 40 
 
Jx Advanced Metals Corporation
 patents
bronzeMedal1 out of 41 
 
Jx Metals Corporation
 patents

Years Active: 2018-2025

Loading Chart...
5 patents (USPTO):Explore Patents
1. 12247276 - Copper powder, method for manufacturing copper powder, and method for manufacturing solid shaped object (2025-03-11),
2. 11872647 - Production method of additive manufactured object using pure copper powder having Si coating (2024-01-16),
3. 11498122 - Pure copper powder having Si coating and production method thereof, and additive manufactured object using said pure copper powder (2022-11-15),
4. 10392693 - Laminate structure and manufacturing method thereof (2019-08-27),
5. 10050160 - Cu—Ga target, method of producing same, light-absorbing layer formed from Cu—Ga based alloy film, and CIGS system solar cell having the light-absorbing layer (2018-08-14),

Title: Innovations of Hiroyoshi Yamamoto

Introduction

Hiroyoshi Yamamoto is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced copper powders and manufacturing methods. With a total of five patents to his name, his work has implications for various industries, including additive manufacturing.

Latest Patents

Yamamoto's latest patents include innovative methods for producing copper powder and solid-shaped objects. One of his inventions provides a copper powder that can be fusion bonded using a low-energy laser. This invention allows for efficient heat input with a high absorption rate for laser irradiation, enhancing the convenience of handling the material. Specifically, the copper powder has an absorption rate for light with a wavelength of λ=1060 nm ranging from 18.9% to 65.0%. Additionally, he has developed a production method for additive manufactured objects using pure copper powder with a silicon coating. This method involves an electron beam-based additive manufacturing process that includes preheating and partial melting of the copper powder to create layered structures.

Career Highlights

Throughout his career, Hiroyoshi Yamamoto has worked with prominent companies such as JX Nippon Mining & Metals Corporation and JX Advanced Metals Corporation. His experience in these organizations has allowed him to refine his expertise in materials and manufacturing processes, contributing to his innovative patents.

Collaborations

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]
Loading…