Inventor

Ryosuke Umezu

Inventor
Hitachi, JP

Overview

3→
Patents
2017–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

B23Kprimary
B23KSoldering or unsoldering22%
H02KDynamo-electric machines22%
Y10TTechnical subjects covered by former us classification22%
A63FCard, board, or roulette games11%
G06FElectric digital data processing11%
H04BTransmission11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2019Patents assigned to MITSUBISHI HITACHI POWER SYS (2)· patent assignee history
2017Patents assigned to HITACHI LTD (1)· patent assignee history
2017–2019Based in Hitachi, JP· patent location history
2021Patents assigned to NINTENDO CO LTD (1)· patent assignee history
2021Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI HITACHI POWER SYS22017–2019
HITACHI LTD12017
NINTENDO CO LTD12021
Locations
LocationPatentsSpan
Hitachi, JP22017–2019
Kyoto, JP12021