Inventor
Tomonaga Oyamada
Inventor
Hitachinaka, JP
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof25%
F04DNon-positive-displacement pumps25%
F16CShafts25%
F16KValves25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2016Patents assigned to HITACHI LTD (2)· patent assignee history
2005Based in Chiyoda-ku, JP· patent location history
2016Patents assigned to ONO MASAHIKO (1)· patent assignee history
2016Patents assigned to OYAMADA TOMONAGA (1)· patent assignee history
2016Based in Hitachinaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 2 | 2005–2016 |
| ONO MASAHIKO | 1 | 2016 |
| OYAMADA TOMONAGAself | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 1 | 2016 |
| Chiyoda-ku, JP | 1 | 2005 |