Inventor
Takatoshi Ooki
Inventor
Kasumigaura, JP
Overview
Patents· 32 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E02Fprimary
E02FDredging31%
F15BSystems acting by means of fluids in general21%
Y02TClimate change mitigation technologies related to transportation8%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles6%
B60WConjoint control of vehicle sub-units of different type or different function5%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology5%
F04BPositive-displacement machines for liquids4%
F02DControlling combustion engines3%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%
B60LPropulsion of electrically-propelled vehicles2%
PatentTitleYear
10,669,695Hydraulic driving device for working machine202010,584,722Hydraulic fluid energy regeneration apparatus of work machine202010,301,793Hydraulic drive system for work machine201910,280,593Hydraulic fluid energy regeneration device for work machine201910,221,871Construction machinery201910,184,228Hydraulic driving device of work machine201910,161,108Hydraulic fluid energy recovery system for work201810,030,361Construction machine20189,926,950'Hydraulic system for construction machinery'20189,926,951'Energy regeneration system for construction machine'20189,581,176'Construction machine having revolving structure'20179,574,324'Work machine'20179,394,670'Construction machine'20169,290,908'Hybrid construction machine'20169,285,023'Hydraulic drive of operating machine'20169,260,838'Control system for construction machine'20169,249,879'Hydraulic drive system for hydraulic working machine'20169,133,602'Information management system for construction machine'20159,065,361'Hybrid construction machine'20159,038,375'Hydraulic working machine'20159,020,707'Construction machine having swing body'20159,013,289'Display device for work machine'20159,010,088'Working machine'20158,991,184'Hybrid construction machine'20158,959,918'Hybrid construction machine'20158,958,958'Hybrid construction machine'20158,950,180'Hybrid construction machine'20158,924,100'Hybrid construction machine'20148,825,316'Hybrid-type construction machine'20147,979,182'Swing drive system for construction machine'20117,272,928'Hydraulic circuit of construction machinery'20077,076,947'Hydraulic circuit of construction machinery'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2016Patents assigned to HITACHI CONSTRUCTION MACHINERY (20)· patent assignee history
2006–2007Based in Niihari-gun, JP· patent location history
2011–2020Based in Kasumigaura, JP· patent location history
2014–2017Patents assigned to OOKI TAKATOSHI (18)· patent assignee history
2015–2016Patents assigned to ISHIKAWA KOUJI (13)· patent assignee history
2015–2017Patents assigned to NISHIKAWA SHINJI (11)· patent assignee history
2015–2016Based in Tsuchiura, JP· patent location history
2017–2020Patents assigned to HITACHI CONSTRUCTION MACH CO (12)· patent assignee history
2020Based in Ibaraki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI CONSTRUCTION MACHINERY | 20 | 2006–2016 |
| OOKI TAKATOSHIself | 18 | 2014–2017 |
| ISHIKAWA KOUJI | 13 | 2015–2016 |
| HITACHI CONSTRUCTION MACH CO | 12 | 2017–2020 |
| NISHIKAWA SHINJI | 11 | 2015–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kasumigaura, JP | 26 | 2011–2020 |
| Tsuchiura, JP | 3 | 2015–2016 |
| Niihari-gun, JP | 2 | 2006–2007 |
| Ibaraki, JP | 1 | 2020 |