Inventor

Shigeru Nakaji

Inventor

Kurashiki, JP

Overview

1982–1990

Patent span

Performing operations

Primary field (CPC B)

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

A46Bprimary

A46BBrushes20%

B24BMachines, devices, or processes for grinding or polishing20%

B24DTools for grinding, buffing or sharpening20%

G01NInvestigating or analysing materials by determining their chemical or physical properties20%

Y10TTechnical subjects covered by former us classification20%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1982–1990Patents assigned to KAWASAKI STEEL CO (2)· patent assignee history

1982Based in Okayama, JP· patent location history

1990Patents assigned to NIPPON AIR BRAKE CO (1)· patent assignee history

1990Based in Kurashiki, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KAWASAKI STEEL CO	2	1982–1990
NIPPON AIR BRAKE CO	1	1990

Locations

Location	Patents	Span
Kurashiki, JP	1	1990
Okayama, JP	1	1982