Location History:
- Katsuta, JA (1977)
- Katsuta, JP (1978 - 1985)
Company Filing History:
5 out of 42,485 
1 out of 1 
1 out of 2,333 
Years Active: 1977-1985
Title: The Innovative Contributions of Sadami Tomita
Introduction
Sadami Tomita is a notable inventor based in Katsuta, Japan. He has made significant contributions to the field of electrical engineering and materials science, holding a total of 7 patents. His work has had a profound impact on the development of advanced technologies.
Latest Patents
One of Tomita's latest patents is a vacuum circuit breaker. This device comprises a vacuum vessel and a pair of electrodes disposed within the vessel, which excels in chopping current characteristics. At least one contact of the electrodes is made from a material that includes an iron group element, with pores impregnated with silver or its alloys. The breaker is designed for rated voltages ranging from 3.6 to 36 KV and rated breaking currents of 8 to 60 KA. Another significant invention is an apparatus for producing metal ribbons. This apparatus features a rotary roll where molten metal is poured from a heated nozzle, forming a solidified metal ribbon. To ensure easy separation of the ribbon from the roll, a jet of non-oxidizing gas is directed at the separation point. The design includes a cover that encloses the roll surface to improve cooling and prevent the formation of depressions in the ribbon.
Career Highlights
Throughout his career, Sadami Tomita has worked with prominent companies such as Hitachi, Ltd. and the Research Development Corporation of Japan. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.
Collaborations
Tomita has collaborated with notable colleagues, including Akio Chiba and Ryuji Watanabe. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Sadami Tomita's contributions to the field of electrical engineering and materials science are noteworthy. His innovative patents and collaborations have significantly advanced technology, showcasing his expertise and dedication to innovation.
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