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For the Inventor, By the Inventor

Fujisawa, Japan

Hiroaki Asanuma

USPTO Granted Patents = 9

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 32(Granted Patents)


Company Filing History:

goldMedal9 out of 68 
 
Fuji Oozx Inc.
 patents

Years Active: 2000-2004

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9 patents (USPTO):Explore Patents
1. 6691910 - Method of joining different metal materials by friction welding (2004-02-17),
2. 6623568 - Ti alloy poppet valve and a method of manufacturing the same (2003-09-23),
3. 6592683 - Ti alloy surface treatment (2003-07-15),
4. 6511045 - Ti alloy poppet valve and a method of manufacturing the same (2003-01-28),
5. 6354001 - Method of manufacturing a Ti alloy poppet value (2002-03-12),
6. 6209197 - Method of manufacturing tappet in an internal combustion engine (2001-04-03),
7. 6186478 - Al alloy poppet valve (2001-02-13),
8. 6131603 - Ti alloy poppet valve and surface treatment thereof (2000-10-17),
9. 6073912 - Al or Al alloy poppet valve and a method of manufacturing the same (2000-06-13),

Title: Hiroaki Asanuma: Innovator in Friction Welding Technologies

Introduction

Hiroaki Asanuma, an accomplished inventor based in Fujisawa, Japan, has made significant contributions in the field of material joining technologies. With a total of nine patents to his name, Asanuma has focused on advancing the capabilities of friction welding, particularly in the automotive industry.

Latest Patents

Asanuma's latest inventions include a method for joining different metal materials by friction welding. This innovative technique involves a rod material made of titanium alloy with a larger diameter portion at the end, which is joined to a titanium-aluminum intermetallic compound to create a poppet valve for internal combustion engines. In another notable patent, he developed a titanium alloy poppet valve consisting of a valve stem and head designed for intake or exhaust use in automotive engines. This valve undergoes a unique process where it is treated in a furnace with a minimal amount of oxygen to enhance its hardness and wear resistance without forming titanium oxides.

Career Highlights

Hiroaki Asanuma currently works at Fuji Oozx Inc., where he applies his expertise in welding technologies. His innovative approaches have significantly impacted the production of automotive components, leading to improved performance and longevity of engine parts.

Collaborations

Throughout his career, Asanuma has collaborated with esteemed colleagues, including Masahito Hirose and Akiyoshi Mori. Their joint efforts have furthered research and development in the field, contributing to advancements in welding processes and materials.

Conclusion

Hiroaki Asanuma stands out as a prominent figure in the realm of innovations related to friction welding technologies. With a dedicated focus on refining materials and processes for the automotive industry, his contributions continue to drive improvements in engine component design and manufacturing. His work exemplifies the spirit of innovation that propels the industry forward.

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