Company Filing History:

7 out of 140

Sumitomo Light Metal Industries, Ltd.

patents

Furukawa-sky Aluminum Corporation

patents

4. 1 out of 82

Harima Chemicals, Incorporated

patents

5. 4 out of 832,880

Other

patents

where one patent can have more than one assignee

Years Active: 2000-2011

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7989087 - Brazing fin material for heat exchangers, heat exchanger, and method of manufacturing same (2011-08-02),

2. 7767042 - Aluminum alloy extruded product for heat exchangers and method of manufacturing the same (2010-08-03),

3. 7534309 - Aqueous aluminum brazing composition, aluminum material coated with the brazing composition, brazing method using the aluminum material, and automotive heat exchanger manufactured by using the brazing method (2009-05-19),

4. 7250223 - Aluminum heat exchanger excellent in corrosion resistance (2007-07-31),

5. 7211160 - Aluminum alloy piping material for automotive tubes having excellent corrosion resistance and formability, and method of manufacturing same (2007-05-01),

6. 6896977 - Method of brazing aluminum or aluminum alloy materials and aluminum alloy brazing sheet (2005-05-24),

7. 6849136 - Filler metal for aluminum brazing sheet for heat exchangers and method of manufacturing same (2005-02-01),

8. 6800345 - Aluminum-extruded multi-cavity flat tube having excellent brazing characteristics for use in automotive heat exchanger and manufacturing method therefor (2004-10-05),

9. 6638376 - Aluminum alloy piping material having an excellent corrosion resistance and workability (2003-10-28),

10. 6316126 - Aluminum alloy clad material for heat exchangers exhibiting excellent erosion-corrosion resistance (2001-11-13),

11. 6234381 - Water-base binder for aluminum material brazing, brazing composition, and method of brazing with the composition (2001-05-22),

12. 6129143 - Brazing sheet having an excellent corrosion resistance for use in a heat (2000-10-10),

Title: Innovations by Yoshiharu Hasegawa

Introduction

Yoshiharu Hasegawa is a prominent inventor based in Obu, Japan. He has made significant contributions to the field of heat exchangers, holding a total of 12 patents. His work focuses on developing advanced materials and manufacturing methods that enhance the performance and efficiency of heat exchangers.

Latest Patents

Hasegawa's latest patents include a brazing fin material for heat exchangers and a high-strength aluminum alloy extruded product for heat exchangers. The brazing fin material consists of a core material made from an aluminum alloy that includes manganese, with a filler metal that contains 6 to 9.5 mass % of silicon. This innovative material features a thickness of 0.06 mm or less, making it suitable for high-performance applications. The aluminum alloy extruded product excels in extrudability and intergranular corrosion resistance at high temperatures. It includes specific ratios of manganese and silicon, ensuring optimal performance in heat exchanger applications.

Career Highlights

Throughout his career, Hasegawa has worked with notable companies such as Sumitomo Light Metal Industries and Denso Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in the field of heat exchangers.

Collaborations

Hasegawa has collaborated with esteemed colleagues, including Haruh

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