Inventor

Hirotoshi Kitagawa

Inventor
Kanagawa, JP

Overview

5→
Patents
1993–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F02Dprimary
F02DControlling combustion engines14%
Y02TClimate change mitigation technologies related to transportation14%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general10%
F02BInternal-combustion piston engines10%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof10%
F02NStarting of combustion engines10%
G01MTesting static or dynamic balance of machines or structures10%
A01NPreservation of bodies of humans or animals or plants or parts thereof5%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages5%
F23KFeeding fuel to combustion apparatus5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to GREEN CROSS CORP (1)· patent assignee history
1993Patents assigned to OSAKA MEASURING INSTR MFG (1)· patent assignee history
1993Based in Kida-gun, JP· patent location history
2009Patents assigned to HISAMITSU PHARMACEUTICAL CO (1)· patent assignee history
2009Based in Tokyo, JP· patent location history
2017–2018Patents assigned to MITSUBISHI HEAVY IND LTD (3)· patent assignee history
2017–2018Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI HEAVY IND LTD32017–2018
GREEN CROSS CORP11993
HISAMITSU PHARMACEUTICAL CO12009
OSAKA MEASURING INSTR MFG11993
Locations
LocationPatentsSpan
Kanagawa, JP32017–2018
Tokyo, JP12009
Kida-gun, JP11993