Inventor
Hitoshi Yanagishita
Inventor
Yokohama, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Bprimary
H01BCables38%
H01GCapacitors28%
C07CAcyclic or carbocyclic compounds10%
C10MLubricating compositions7%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions7%
A61BDiagnosis3%
C08LCompositions of macromolecular compounds3%
C09JAdhesives3%
PatentTitleYear
6,172,146'Hot-melt composition and a modified aromatic petroleum resin used therefor'20014,734,824'Electrical insulating oil and electrical appliances impregnated with the same'19884,681,980'Method for improving an electrical insulating hydrocarbon'19874,621,302'Electrical insulating oil and electrical appliances impregnated with the same'19864,618,914'Electrical insulating oil and oil-filled electrical appliances'19864,549,034'Refined electrical insulating oil and oil-filled electrical appliances'19854,543,207'Electrical insulating oil and oil-filled electrical appliances'19854,506,107'Electrical insulating oil and oil-filled electrical appliances'19854,493,943'Electrical insulating oil and oil-filled electrical appliances'19854,442,027'Electrical insulating oil composition'19844,347,169'Electrical insulating oil and oil-filled electrical appliances'19824,329,536'Oil-impregnated power cable'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2001Patents assigned to NIPPON PETROCHEMICALS CO LTD (12)· patent assignee history
1982–1988Based in Yokohama, JP· patent location history
2001Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON PETROCHEMICALS CO LTD | 12 | 1982–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 11 | 1982–1988 |
| Kanagawa, JP | 1 | 2001 |