Inventor
Heiji Tomotsugu
Inventor
Yokohama, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Bprimary
F04BPositive-displacement machines for liquids50%
F15BSystems acting by means of fluids in general50%
PatentTitleYear
4,256,439'Power control system for multiple pumps'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to JAPAN STEEL WORKS LTD (1)· patent assignee history
1981Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JAPAN STEEL WORKS LTD | 1 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 1 | 1981 |