Inventor

Masayoshi Hirose

Inventor
Tokyo, JP

Overview

14→
Patents
1985–2006
Patent span
Performing operations
Primary field (CPC B)

Patents· 14 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 polishing50%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1018%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
B08BCleaning in general5%
C23CCoating metallic material5%
C40BCombinatorial chemistry5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G04FTime-interval measuring5%
Y10TTechnical subjects covered by former us classification5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to OMRON TATEISI ELECTRONICS CO (1)· patent assignee history
1985Based in Okayama, JP· patent location history
1995–2006Patents assigned to EBARA CORP (13)· patent assignee history
1995–1997Patents assigned to TOSHIBA KK (2)· patent assignee history
1995–2005Based in Tokyo, JP· patent location history
1997Patents assigned to TOKYO SHIBAURA ELECTRIC CO (1)· patent assignee history
1998–2005Based in Kanagawa, JP· patent location history
1999–2006Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EBARA CORP131995–2006
TOSHIBA KK21995–1997
OMRON TATEISI ELECTRONICS CO11985
TOKYO SHIBAURA ELECTRIC CO11997
Locations
LocationPatentsSpan
Tokyo, JP81995–2005
Yokohama, JP31999–2006
Kanagawa, JP21998–2005
Okayama, JP11985