This inventor holds 3 USPTO granted patents. Top assignees: Tokuriki Honten Co., Ltd., Fuji Electric Co., Ltd., Sankyo Company, Limited. Active years: 1990-2007.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 7 
1 out of 4,826 
1 out of 613 
Years Active: 1990-2007
Title: Sadao Sato: Innovator in Electric Contact Materials
Introduction
Sadao Sato is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electric contact materials, holding a total of 3 patents. His work focuses on developing innovative methods and products that enhance the performance and reliability of electric contacts.
Latest Patents
One of Sato's latest patents is a method for manufacturing Ag-oxide-based electric contact material and the product of the same. This invention addresses the challenges posed by the discharge standard provisions in Japan and the EC Directive on Waste from Electrical and Electronic Equipment (WEEE), which aim to reduce the use of cadmium (Cd). The method involves replacing the atmosphere in a pressured oxidation furnace with oxygen and gradually raising the temperature of an internal-oxidative Ag alloy. This process helps to restrain the generation of an Ag-rich layer on the surface while ensuring a uniform distribution of composite oxides within the material.
Another significant patent is related to electric contact with a base metal used as a switch. This invention prevents the non-welded peripheral portion of the contact from bow-like bending and peeling off. The contact material is formed by die forging and is designed to promote effective electrical contact with the base metal, enhancing the overall performance of the switch.
Career Highlights
Sadao Sato has worked with several prominent companies, including Tokuriki Honten Co., Ltd. and Sankyo Company, Limited. His experience in these organizations has contributed to his expertise in the development of electric contact materials.
Collaborations
Sato has collaborated with notable coworkers such as Kiyoshi Sekiguchi and Tatsuo Haneishi. Their combined efforts have further advanced the innovations in electric contact technology.
Conclusion
Sadao Sato's contributions to the field of electric contact materials demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the challenges in the industry and a dedication to developing solutions that meet modern standards.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile