Inventor
Ryuichi Furukoshi
Inventor
Niiza, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
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 systems44%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications32%
Y02PClimate change mitigation technologies in the production or processing of goods6%
E01DConstruction of bridges, elevated roadways or viaducts3%
E04BGeneral building constructions3%
E04CStructural elements3%
F16LPipes3%
G06FElectric digital data processing3%
H03KPulse technique3%
PatentTitleYear
10,910,952Control apparatus and method for current resonance circuit and current resonance power supply202110,608,526Device and method for calculating switching time20209,871,455'Current resonance type power supply device'20189,774,262'Current resonance type power supply device'20179,716,427'Power factor correction circuit having bottom skip controller'20179,641,088'Current resonant power source apparatus'20179,444,352'Current resonance type power supply device'20169,025,348'Drive circuit'20157,764,089'Device for driving switching elements'20107,567,443'Power converter'20097,492,614'Switching power supply apparatus'20097,382,633'DC converter'20087,330,365'Synchronous commutation DC-DC converter'20087,203,080'DC converter'20077,154,762'Power source apparatus'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2021Patents assigned to SANKEN ELECTRIC CO LTD (15)· patent assignee history
2006–2020Based in Saitama, JP· patent location history
2007–2021Based in Niiza, JP· patent location history
2015Patents assigned to FURUKOSHI RYUICHI (1)· patent assignee history
2015Patents assigned to IWABUCHI AKIO (1)· patent assignee history
2015Patents assigned to OZAWA KEIICHIRO (1)· patent assignee history
2015Patents assigned to TASAKA YASUSHI (1)· patent assignee history
2015–2018Based in Asaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANKEN ELECTRIC CO LTD | 15 | 2006–2021 |
| FURUKOSHI RYUICHIself | 1 | 2015 |
| IWABUCHI AKIO | 1 | 2015 |
| OZAWA KEIICHIRO | 1 | 2015 |
| TASAKA YASUSHI | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Niiza, JP | 6 | 2007–2021 |
| Asaka, JP | 6 | 2015–2018 |
| Saitama, JP | 3 | 2006–2020 |