LexDanaLexDanabeta
Inventor

Yuusuke Matsumura

Inventor
Tokyo, JP

Overview

3→
Patents
1997–1999
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 compositions29%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions29%
F16CShafts29%
H01FMagnets14%
PatentTitleYear
5,902,513'Magnetic fluid composition'19995,629,274'Lubricating fluid composition for dynamic pressure bearing'19975,627,147'Lubricating fluid composition for dynamic pressure bearing'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1999Patents assigned to TAIHO IND CO (3)· patent assignee history
1997Patents assigned to SANKYO SEIKI SEISAKUSHO KK (2)· patent assignee history
1997–1999Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAIHO IND CO31997–1999
SANKYO SEIKI SEISAKUSHO KK21997
Locations
LocationPatentsSpan
Tokyo, JP31997–1999