Inventor

Hajime Kawaguchi

Inventor
Osaka, JP

Overview

11→
Patents
1989–2016
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 11 as inventor

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

H01Fprimary
H01FMagnets21%
F22BMethods of steam generation14%
F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in  a carrier gas or air14%
F23GCremation furnaces14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
Y10TTechnical subjects covered by former us classification7%
B01DSeparation4%
B60LPropulsion of electrically-propelled vehicles4%
F23NRegulating or controlling combustion4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2000Patents assigned to EBARA CORP (5)· patent assignee history
1989–1992Based in Kanagawa, JP· patent location history
2000Based in Tokyo, JP· patent location history
2012–2016Patents assigned to KAWAGUCHI HAJIME (6)· patent assignee history
2012–2016Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (6)· patent assignee history
2012–2014Patents assigned to YAMAMOTO SHINICHIRO (3)· patent assignee history
2012–2016Based in Osaka, JP· patent location history
2014–2016Patents assigned to ONIZUKA TAKAHIRO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAWAGUCHI HAJIMEself62012–2016
SUMITOMO ELECTRIC INDUSTRIES62012–2016
EBARA CORP51989–2000
YAMAMOTO SHINICHIRO32012–2014
ONIZUKA TAKAHIRO22014–2016
Locations
LocationPatentsSpan
Osaka, JP62012–2016
Kanagawa, JP41989–1992
Tokyo, JP12000