Kani, Japan

Osamu Yamakawa

This inventor holds 8 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignees: Ngk Adrec Co., Ltd., Ngk Insulators, Inc., Sangi Co., Ltd.. Active years: 1992-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Yamakawa. Retrieved from https://idiyas.com/inventor/osamu-yamakawa

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

USPTO Granted Patents = 8 

% Patents Active = 87.5


Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 28(Granted Patents)


Location History:

  • Kani-Gun, JP (2010)
  • Kani, JP (1992 - 2012)

Company Filing History:


Years Active: 1992-2012

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8 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Osamu Yamakawa

Introduction

Osamu Yamakawa is a notable inventor based in Kani, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced ceramic structures. With a total of 8 patents to his name, Yamakawa's work has had a considerable impact on various industrial applications.

Latest Patents

Yamakawa's latest patents include a honeycomb structure and a non-settling refractory mortar. The honeycomb structure is made of a ceramic material and integrates multiple honeycomb segments with cell structures and porous outer walls. These segments are bonded together using a bonding material that contains bio-soluble fiber. This innovative design offers performance comparable to traditional ceramic fiber structures. The non-settling refractory mortar consists of 100 mass % of ceramic powder, such as cordierite or alumina, along with a clay mineral and a colloidal oxide solution. This formulation ensures that the coating performance remains intact even after prolonged storage, minimizing dimension changes and preventing cracks on the surface.

Career Highlights

Throughout his career, Yamakawa has worked with prominent companies such as NGK Insulators, Inc. and NGK Adrec Co., Ltd. His experience in these organizations has allowed him to refine his expertise in ceramic materials and their applications.

Collaborations

Yamakawa has collaborated with several talented individuals in his field, including Tsuneo Komiyama and Tetsuhiro Honjo. These partnerships have contributed to the advancement of innovative solutions in materials science.

Conclusion

Osamu Yamakawa's contributions to the field of ceramics and materials science are noteworthy. His innovative patents and collaborations reflect 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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