Inventor

Ryuichi Masumori

Inventor
Tokyo, JP

Overview

3→
Patents
2001–2002
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 compositions60%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions40%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to NTN TOYO BEARING CO LTD (1)· patent assignee history
2001Patents assigned to SHOWA SHELL SEKIYU (1)· patent assignee history
2001–2002Based in Tokyo, JP· patent location history
2002Patents assigned to SHELL OIL CO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO22002
NTN TOYO BEARING CO LTD12001
SHOWA SHELL SEKIYU12001
Locations
LocationPatentsSpan
Tokyo, JP32001–2002