This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Kobe Seiko Sho. Active years: 2001.
Company Filing History:
Years Active: 2001
Title: Mitsuhiro Ohkubo: Innovator in Corrosion Resistant Copper Alloys
Introduction
Mitsuhiro Ohkubo is a notable inventor based in Shimonoseki, Japan. He has made significant contributions to the field of materials science, particularly in the development of corrosion-resistant copper alloys. His innovative work has led to advancements in heat exchanger technology, which is crucial for various industrial applications.
Latest Patents
Ohkubo holds a patent for a corrosion-resistant copper alloy tube and fin-tube heat exchanger. This invention features a copper alloy tube that contains 0.05 to 1.5 wt. % of manganese and deoxidized copper with an oxygen concentration of 100 ppm or less. The alloy can also include elements such as phosphorus, boron, lithium, lead, and antimony in amounts of 0.20 wt. % or less. Additionally, chromium, titanium, zirconium, aluminum, and silicon can be added at 0.50 wt. % or less. Other elements like magnesium, iron, cobalt, silver, indium, and arsenic can be included at 1.0 wt. % or less, while zinc and nickel can be added at 5.0 wt. % or less. This unique composition enhances the corrosion resistance of the tubes, particularly against ant-nest type corrosion, which is a common issue in refrigerant tubes and heat exchangers.
Career Highlights
Mitsuhiro Ohkubo is associated with Kabushiki Kaisha Kobe Seiko Sho, a company known for its innovative approaches in manufacturing and materials development. His work has not only contributed to the company's portfolio but has also set new standards in the industry for corrosion resistance in copper alloys.
Collaborations
Ohkubo has collaborated with notable colleagues such as Taro Kuroda and Motohisa Miyafuji. Their combined expertise has fostered a productive environment for innovation and development in their field.
Conclusion
Mitsuhiro Ohkubo's contributions to the development of corrosion-resistant copper alloys have made a significant impact on the industry. His innovative patent showcases the potential for improved materials in heat exchanger technology. His work continues to influence advancements in this critical area of engineering.