Inventor
Naoya Morozumi
Inventor
Kanagawa, JP
Overview
Patents· 29 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 liquids56%
F01CRotary-piston or oscillating-piston machines or engines8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
F25BRefrigeration machines, plants or systems6%
F04BPositive-displacement machines for liquids4%
H02KDynamo-electric machines4%
A01KAnimal husbandry2%
B29CShaping or joining of plastics2%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g2%
F15BSystems acting by means of fluids in general2%
PatentTitleYear
11,060,522Rotary compressor having reduced pressure loss of refrigerant flow202110,738,779Rotary compressor202010,590,933Rotary compressor202010,550,843Rotary compressor202010,495,091Rotary compressor having an injection connecting pipe that extends to an upper portion of a compressor housing and that is linked to an injection pipe via an injection pipe taking-out portion201910,458,408Rotary compressor having communication path hole overlap with discharge chamber concave portion201910,436,199Rotary compressor201910,408,213Rotary compressor20199,951,775Rotary compressor20189,951,774Lubrication of a rotary compressor20189,385,573'Rotor of compressor motor having a balance weight stably positioned'20169,157,437'Rotary compressor with oiling mechanism'20158,857,211'Injectable two-staged rotary compressor and heat pump system'20148,029,255'Lubricating oil circulating device for compressor'20117,780,427'Two-stage rotary compressor'20107,748,968'Two-cylinder rotary compressor with suction pipes'20107,641,454'Two-stage rotary compressor'20107,393,191'Internal refrigerant gas circulation apparatus for a closed-type scroll compressor'20087,331,774'Back pressure control mechanism of orbiting scroll in scroll compressor'20087,044,723'Scroll compressor having a throttle pin moving in the longitudinal hole of the oil supply passage'20066,872,062'Scroll compressor'20056,561,776'Scroll compressor'20036,389,837'Scroll compressor'20025,350,280'Fluid compressor'19945,171,141'Scroll compressor with distal ends of the wraps having sliding contact on curved portions'19925,152,682'Scroll type fluid machine with passageway for innermost working chamber'19925,062,778'Helical blade type compressor with thrust loss compensation'19915,026,264'Fluid compressor'19914,875,839'Scroll member for use in a positive displacement device, and a method for manufacturing the same'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1994Patents assigned to TOSHIBA KK (6)· patent assignee history
1989Based in Yokohama, JP· patent location history
1991Based in Machida, JP· patent location history
1992Based in Tokyo, JP· patent location history
1994–2021Based in Kanagawa, JP· patent location history
2002–2021Patents assigned to FUJITSU GENERAL LTD (23)· patent assignee history
2002–2018Based in Kawasaki, JP· patent location history
2014–2016Patents assigned to MOROZUMI NAOYA (2)· patent assignee history
2014Patents assigned to UEDA KENSHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU GENERAL LTD | 23 | 2002–2021 |
| TOSHIBA KK | 6 | 1989–1994 |
| MOROZUMI NAOYAself | 2 | 2014–2016 |
| UEDA KENSHI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 15 | 1994–2021 |
| Kawasaki, JP | 9 | 2002–2018 |
| Tokyo, JP | 2 | 1992 |
| Machida, JP | 2 | 1991 |
| Yokohama, JP | 1 | 1989 |