Inventor

Yosinobu Yamaguchi

Inventor
Nagoya, JP

Overview

1→
Patents
1990
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

B24Dprimary
B24DTools for grinding, buffing or sharpening33%
C09KMaterials for miscellaneous applications, not provided for elsewhere33%
C23FNon-mechanical removal of metallic material from surface33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to SHOWA DENKO KK (1)· patent assignee history
1990Patents assigned to YAMAGUCHI SEIKEN KOGYO KK (1)· patent assignee history
1990Based in Nagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHOWA DENKO KK11990
YAMAGUCHI SEIKEN KOGYO KK11990
Locations
LocationPatentsSpan
Nagoya, JP11990