Inventor
Hirokatu Kousokabe
Inventor
Yokohama, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids50%
F25BRefrigeration machines, plants or systems25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,087,170'Rotary compressor'19924,357,132'Hermetic scroll fluid discharge apparatus with pressurized fluid passage in wrap'19824,343,599'Scroll-type positive fluid displacement apparatus having lubricating oil circulating system'19824,216,661'Scroll compressor with means for end plate bias and cooled gas return to sealed compressor spaces'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1992Patents assigned to HITACHI LTD (4)· patent assignee history
1980–1982Based in Yokohama, JP· patent location history
1982Based in Totsuka-ku, JP· patent location history
1992Based in Ibaraki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 4 | 1980–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 2 | 1980–1982 |
| Ibaraki, JP | 1 | 1992 |
| Totsuka-ku, JP | 1 | 1982 |