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Inventor

Tetsuro Sakamoto

Inventor
Yokohama, JP

Overview

3→
Patents
1992–1995
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C10Mprimary
C10MLubricating compositions43%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions43%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
PatentTitleYear
5,443,745'Lubricant for refrigerating machine'19955,370,809'Synthetic lubricating oils'19945,080,816'Lubricant for refrigerating machine'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1995Patents assigned to NIPPON OIL CO LTD (3)· patent assignee history
1992–1995Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON OIL CO LTD31992–1995
Locations
LocationPatentsSpan
Yokohama, JP31992–1995