Yanagishita; Hitoshi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yanagishita; Hitoshi.The latest application filed is for "electrical insulating oil and electrical appliances impregnated with the same".

Company Profile

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Yanagishita; Hitoshi - Yokohama JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Electrical insulating oil and electrical appliances impregnated with the same Grant 4,734,824 - Sato , et al. March 29, 1	1988-03-29
Method for improving an electrical insulating hydrocarbon Grant 4,681,980 - Sato , et al. July 21, 1	1987-07-21
Electrical insulating oil and electrical appliances impregnated with the same Grant 4,621,302 - Sato , et al. November 4, 1	1986-11-04
Electrical insulating oil and oil-filled electrical appliances Grant 4,618,914 - Sato , et al. * October 21, 1	1986-10-21
Refined electrical insulating oil and oil-filled electrical appliances Grant 4,549,034 - Sato , et al. October 22, 1	1985-10-22
Electrical insulating oil and oil-filled electrical appliances Grant 4,543,207 - Sato , et al. September 24, 1	1985-09-24
Electrical insulating oil and oil-filled electrical appliances Grant 4,506,107 - Sato , et al. March 19, 1	1985-03-19
Electrical insulating oil composition Grant 4,442,027 - Sato , et al. April 10, 1	1984-04-10
Oil-impregnated power cable Grant 4,329,536 - Sato , et al. May 11, 1	1982-05-11

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