Inventor

Noriyoshi Urushiwara

Inventor
Katsuta, JP

Overview

14→
Patents
1989–2008
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 14 as inventor

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

F02Pprimary
F02PIgnition, other than compression ignition, for internal-combustion engines29%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
F02DControlling combustion engines13%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%
F01PCooling of machines or engines in general8%
F02BInternal-combustion piston engines8%
H03KPulse technique8%
H05KPrinted circuits4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2008Patents assigned to HITACHI LTD (14)· patent assignee history
1989–1996Based in Katsuta, JP· patent location history
2000Patents assigned to HITACHI CAR ENG CO LTD (1)· patent assignee history
2000–2008Based in Hitachinaka, JP· patent location history
2007Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD141989–2008
HITACHI CAR ENG CO LTD12000
Locations
LocationPatentsSpan
Katsuta, JP71989–1996
Hitachinaka, JP62000–2008
Tokyo, JP12007