Inventor
Takahiro Fujimaki
Inventor
Hitachinaka, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B04Bprimary
B04BCentrifuges42%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems25%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
7,548,034'Centrifuge'20097,372,219'Belt driven centrifugal separator with multi-stage, belt deterioration alerting display'20087,104,944'Centrifugal separator with a plurality of shafts'20066,204,627'Motor control apparatus'20015,731,681'Motor control system for centrifugal machine'19985,649,893'Centrifugal apparatus having series-implemented protection means'19975,608,301'Motor control system for centrifugal machine'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2009Patents assigned to HITACHI KOKI KK (7)· patent assignee history
1997–2009Based in Hitachinaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI KOKI KK | 7 | 1997–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 7 | 1997–2009 |