Inventor
Haruyuki Yamazaki
Inventor
Tokai, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Dprimary
F01DNon-positive displacement machines or engines, e.g. steam turbines18%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants18%
F16JPistons18%
B01DSeparation12%
B04CApparatus using free vortex flow, e.g. cyclones6%
C23FNon-mechanical removal of metallic material from surface6%
D21JFibreboard6%
F22BMethods of steam generation6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
8,864,443'Sealing device for steam turbines and method for controlling sealing device'20148,500,397'Seals in steam turbine'20138,128,351'Seals in steam turbine'20126,053,998'Method of manufacturing rust-preventing cover'20004,424,770'Low boiling point medium evaporator'19844,245,998'Method and apparatus for crystallization of solution containing salts'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–2014Patents assigned to HITACHI LTD (4)· patent assignee history
1981Based in Hitachi, JP· patent location history
1984–2014Based in Tokai, JP· patent location history
2000Based in Nagoya, JP· patent location history
2012–2014Patents assigned to NARITA KENJIRO (3)· patent assignee history
2012–2014Patents assigned to YAMAZAKI HARUYUKI (3)· patent assignee history
2012–2013Patents assigned to DOI HIROYUKI (2)· patent assignee history
2012–2013Patents assigned to KOBAYASHI KEI (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 4 | 1981–2014 |
| NARITA KENJIRO | 3 | 2012–2014 |
| YAMAZAKI HARUYUKIself | 3 | 2012–2014 |
| DOI HIROYUKI | 2 | 2012–2013 |
| KOBAYASHI KEI | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokai, JP | 4 | 1984–2014 |
| Nagoya, JP | 1 | 2000 |
| Hitachi, JP | 1 | 1981 |