Inventor
Hideo Nishida
Inventor
Ibaraki, JP
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Dprimary
F04DNon-positive-displacement pumps56%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants24%
F01DNon-positive displacement machines or engines, e.g. steam turbines4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
Y10TTechnical subjects covered by former us classification4%
F04BPositive-displacement machines for liquids2%
F16CShafts2%
H02KDynamo-electric machines2%
PatentTitleYear
9,976,552Performance prediction device and performance prediction method for compressor20189,157,450'Impeller and turbomachinery including the impeller'20158,616,843'Turbo machinery'20138,475,131'Centrifugal compressor'20138,313,290'Centrifugal compressor having vaneless diffuser and vaneless diffuser thereof'20128,308,420'Centrifugal compressor, impeller and operating method of the same'20128,287,236'Multistage centrifugal compressor'20128,267,644'Multistage centrifugal compressor'20126,692,224'Turbo compressor'20046,435,822'Labyrinth sealing device, and fluid machine providing the same'20026,302,645'Labyrinth sealing device, and fluid machine providing the same'20016,203,275'Centrifugal compressor and diffuser for centrifugal compressor'20016,196,809'Two-stage centrifugal compressor'20016,047,461'Rotor for permanent magnet excited, high-speed electric rotary machine, manufacturing method of the same and electric rotary machine including the same'20006,039,535'Labyrinth sealing device, and fluid machine providing the same'20005,980,218'Multi-stage compressor having first and second passages for cooling a motor during load and non-load operation'19995,709,531'Centrifugal compressor and vaned diffuser'19985,516,263'Centrifugal compressor and vaned diffuser'19965,228,832'Mixed flow compressor'19935,062,766'Turbo compressor'19914,938,661'Multistage centrifugal compressor'1990RE032462'Centrifugal fluid machine'19874,421,457'Diffuser of centrifugal fluid machine'19834,395,197'Centrifugal fluid machine'19834,354,802'Vaned diffuser'19824,288,198'Method of controlling multistage centrifugal compressor equipment'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–2018Patents assigned to HITACHI LTD (19)· patent assignee history
1981–1987Based in Shimoinayoshi, JP· patent location history
1983–2018Based in Ibaraki, JP· patent location history
2001–2004Based in Chiyoda-ku, JP· patent location history
2012–2015Patents assigned to KOBAYASHI HIROMI (7)· patent assignee history
2012–2015Patents assigned to NISHIDA HIDEO (7)· patent assignee history
2012–2013Patents assigned to HITACHI PLANT TECHNOLOGIES LTD (6)· patent assignee history
2012–2013Patents assigned to KUWANO TETSUYA (5)· patent assignee history
2012–2015Based in Kasumigaura, JP· patent location history
2012Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 19 | 1981–2018 |
| KOBAYASHI HIROMI | 7 | 2012–2015 |
| NISHIDA HIDEOself | 7 | 2012–2015 |
| HITACHI PLANT TECHNOLOGIES LTD | 6 | 2012–2013 |
| KUWANO TETSUYA | 5 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 14 | 1983–2018 |
| Kasumigaura, JP | 4 | 2012–2015 |
| Tokyo, JP | 3 | 2012 |
| Shimoinayoshi, JP | 3 | 1981–1987 |
| Chiyoda-ku, JP | 2 | 2001–2004 |