Inventor
Sanpei Usui
Inventor
Ibaraki, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F22Bprimary
F22BMethods of steam generation50%
F25BRefrigeration machines, plants or systems50%
PatentTitleYear
4,499,859'Vapor generator'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Patents assigned to HITACHI LTD (1)· patent assignee history
1985Based in Ibaraki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 1 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 1 | 1985 |