Inventor
Keijiro Yamaoka
Inventor
Tokyo, JP
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Kprimary
F01KSteam engine plants67%
F03GSpring, weight, inertia or like motors33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1986Patents assigned to MITSUI SHIPBUILDING ENG (2)· patent assignee history
1984–1986Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUI SHIPBUILDING ENG | 2 | 1984–1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 2 | 1984–1986 |