Inventor
Yoshinori Tobita
Inventor
Hitachinaka, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B04Bprimary
B04BCentrifuges38%
A61LMethods or apparatus for sterilising materials or objects in general19%
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 systems13%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters13%
F16KValves6%
H01LSemiconductor devices6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
PatentTitleYear
10,746,307Method of controlling a gate valve20207,909,751'Method for sterilizing a centrifugal separator'20117,901,342'Centrifugal separator with sterilizing apparatus'20117,794,383'Centrifugal separator with isolated rotor part'20107,591,775'Centrifugal separator with sterilizing apparatus'20097,396,324'Centrifugal separator with first and second control panels'20087,144,361'Continuous flow type centrifuge having rotor body and core body disposed therein'20065,731,681'Motor control system for centrifugal machine'19985,608,301'Motor control system for centrifugal machine'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2011Patents assigned to HITACHI KOKI KK (8)· patent assignee history
1997–2020Based in Hitachinaka, JP· patent location history
2009–2011Based in Ibaraki, JP· patent location history
2020Patents assigned to V-TEX CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI KOKI KK | 8 | 1997–2011 |
| V-TEX CORP | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 6 | 1997–2020 |
| Ibaraki, JP | 3 | 2009–2011 |