Inventor

Hiroyuki Kumazawa

Inventor
Tokyo, JP

Overview

19→
Patents
1988–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 19 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication13%
B60LPropulsion of electrically-propelled vehicles8%
H02JElectric power networks8%
LOC128%
Y02TClimate change mitigation technologies related to transportation8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids6%
G01CMeasuring distances, levels or bearings4%
G08CTransmission systems for measured values, control or similar signals4%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2016Patents assigned to MITSUBISHI ELECTRIC CORP (13)· patent assignee history
1988Based in Amagasaki, JP· patent location history
1998–2016Based in Hyogo, JP· patent location history
2008–2015Based in Tokyo, JP· patent location history
2015–2016Patents assigned to KUMAZAWA HIROYUKI (5)· patent assignee history
2015Patents assigned to IKAWA MASAHIKO (2)· patent assignee history
2016Patents assigned to IRIE HIROSHI (2)· patent assignee history
2021Patents assigned to MITSUBISHI LOGISNEXT CO LTD (4)· patent assignee history
2021Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP131988–2016
KUMAZAWA HIROYUKIself52015–2016
MITSUBISHI LOGISNEXT CO LTD42021
IKAWA MASAHIKO22015
IRIE HIROSHI22016
Locations
LocationPatentsSpan
Tokyo, JP112008–2015
Kyoto, JP42021
Hyogo, JP31998–2016
Amagasaki, JP11988