This inventor holds 3 USPTO granted patents. Top assignees: Mitsubishi Kinzoku Kabushiki Kaisha, Mitsubishi Materials Corporation, Mitsubishi Metal Corporation. Active years: 1990-1992.
Location History:
- Urawa, JP (1990)
- Saitama, JP (1991)
- Omiya, JP (1992)
Company Filing History:
1 out of 197 
1 out of 1,555 
1 out of 68 
Years Active: 1990-1992
Title: Tsugio Koya: Innovator in Oxygen-Free Copper Manufacturing
Introduction
Tsugio Koya is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of metallurgy, particularly in the manufacturing of oxygen-free copper. With a total of 3 patents to his name, Koya's work has advanced the methods and apparatus used in this specialized area.
Latest Patents
Koya's latest patents focus on the method and apparatus for manufacturing oxygen-free copper with an oxygen content of no greater than 3 ppm by weight. The first patent describes a deoxidizing step that involves bringing a reducing gas containing hydrogen into contact with molten copper to react with and remove oxygen. Following this, a dehydrogenation step may be performed by introducing a gas of lean hydrogen concentration into the molten copper. The apparatus designed by Koya includes a deoxidizing device for blowing the reducing gas into the molten copper, along with a preferred dehydrogenation device.
Career Highlights
Throughout his career, Tsugio Koya has worked with prominent companies such as Mitsubishi Kinzoku Kabushiki Kaisha and Mitsubishi Materials Corporation. His experience in these organizations has contributed to his expertise in the field of copper manufacturing.
Collaborations
Koya has collaborated with notable coworkers, including Takuro Iwamura and Izumi Sukekawa. Their joint efforts have likely played a role in the development of innovative solutions in metallurgy.
Conclusion
Tsugio Koya's contributions to the manufacturing of oxygen-free copper highlight his innovative spirit and technical expertise. His patents and career achievements reflect a commitment to advancing the field of metallurgy.