Kariya, Japan

Hiroshi Yamada

This inventor holds 2 USPTO granted patents. Top assignees: Toshiba Ceramics Co., Ltd., Sumitomo Metal Indus., Ltd., Sumitomo Metal Industries, Inc.. Active years: 1990-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Yamada. Retrieved from https://idiyas.com/inventor/hiroshi-yamada-bx9xd1h7

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 = 7.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1990-1991

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2 patents (USPTO):Explore Patents

Title: Hiroshi Yamada: Innovator in Refractory Materials

Introduction

Hiroshi Yamada is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of refractory materials, particularly in the development of innovative repairing materials for bricks. With a total of 2 patents to his name, Yamada's work showcases his expertise and dedication to advancing material science.

Latest Patents

Yamada's latest patents focus on a refractory repairing material for bricks. The first patent discloses a mixture comprising 70 to 80 wt % of alumina with a grain size not exceeding 1 mm. This mixture includes 25 to 30 wt % of alumina with a grain size not passing through a 325 mesh and 45 to 50 wt % with a grain size passing through a 325 mesh. Additionally, it contains 1 to 7 wt % of carbonaceous material with a grain size passing through a 60 mesh, 1 to 5 wt % of magnesia with a grain size passing through a 325 mesh, and 10 to 25 wt % of aluminum phosphate. The second patent also pertains to a method of repairing a plate-like brick using similar materials.

Career Highlights

Throughout his career, Hiroshi Yamada has worked with prominent companies such as Toshiba Ceramics Co., Ltd. and Sumitomo Metal Industries, Inc. His experience in these organizations has contributed to his knowledge and expertise in refractory materials.

Collaborations

Yamada has collaborated with notable coworkers, including Takao Sugino and Toshio Kawamura. Their combined efforts have likely fostered innovation and development in their respective fields.

Conclusion

Hiroshi Yamada's contributions to the field of refractory materials through his patents and career experiences highlight his role as an influential inventor. His work continues to impact the industry positively.

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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