Inventor

Kouichi Iwata

Inventor
Hyogo, JP

Overview

13→
Patents
1987–2009
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C04Bprimary
C04BLime, magnesia12%
F16DCouplings for transmitting rotation12%
A61LMethods or apparatus for sterilising materials or objects in general8%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof8%
F16KValves8%
G05DSystems for controlling or regulating non-electric variables8%
Y10TTechnical subjects covered by former us classification8%
A61KPreparations for medical, dental or toiletry purposes4%
C08JWorking-up4%
C08LCompositions of macromolecular compounds4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1993Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (8)· patent assignee history
1987–1988Based in Itami, JP· patent location history
1989–1990Based in Hyogo, JP· patent location history
1990Patents assigned to NIPPON DENSO CO (1)· patent assignee history
1991–1997Patents assigned to AISAN IND (4)· patent assignee history
1991–1993Based in Oobu, JP· patent location history
1997Based in Obu, JP· patent location history
2009Patents assigned to FUJITSU LTD (1)· patent assignee history
2009Based in Fukuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES81987–1993
AISAN IND41991–1997
FUJITSU LTD12009
NIPPON DENSO CO11990
Locations
LocationPatentsSpan
Hyogo, JP51989–1990
Oobu, JP31991–1993
Itami, JP21987–1988
Fukuoka, JP12009
Obu, JP11997