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Inventor

Noristugu Umehara

Inventor
Tokyo, JP

Overview

1→
Patents
2003
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%
B24DTools for grinding, buffing or sharpening33%
C09GPolishing compositions33%
PatentTitleYear
6,547,842'Polishing material, grinding particle body for abrasion-grinding, method for producing a polishing material, and method for polishing or grinding, and polishing apparatus'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to NEW TECHNOLOGY MAN CO LTD (1)· patent assignee history
2003Patents assigned to NISCA CORP (1)· patent assignee history
2003Patents assigned to UMEHARA NORISTUGU (1)· patent assignee history
2003Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEW TECHNOLOGY MAN CO LTD12003
NISCA CORP12003
UMEHARA NORISTUGUself12003
Locations
LocationPatentsSpan
Tokyo, JP12003