LexDanaLexDanabeta
Inventor

Michihiro Yoshinaga

Inventor
Tokyo, JP

Overview

1→
Patents
2000
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing33%
C09KMaterials for miscellaneous applications, not provided for elsewhere33%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1033%
PatentTitleYear
6,022,400'Polishing abrasive grains, polishing agent and polishing method'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to FUSO SILTECH CO LTD (1)· patent assignee history
2000Patents assigned to ITOCHU TECHNO CHEM INC (1)· patent assignee history
2000Patents assigned to NIPPON STEEL CORP (1)· patent assignee history
2000Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUSO SILTECH CO LTD12000
ITOCHU TECHNO CHEM INC12000
NIPPON STEEL CORP12000
Locations
LocationPatentsSpan
Tokyo, JP12000