Inventor
Ryosuke Umezu
Inventor
Hitachi, JP
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI HITACHI POWER SYS | 2 | 2017–2019 |
| HITACHI LTD | 1 | 2017 |
| NINTENDO CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 2 | 2017–2019 |
| Kyoto, JP | 1 | 2021 |