Inventor
Akinobu Sawada
Inventor
Kyoto, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating31%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general5%
G01RMeasuring electric variables5%
H02JElectric power networks5%
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 systems5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
F21SNon-portable lighting devices2%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
G02BOptical elements, systems or apparatus2%
PatentTitleYear
11,079,656Supercontinuum source, method for generating and emitting a supercontinuum, multiphoton excitation fluorescence microscope, and multiphoton excitation method20219,844,108'Light-emitting-load driving device and illumination-light source device using same'20179,581,655'Lighting apparatus'20179,553,480'Power system'20179,420,659'LED power supply device'20169,374,083'Switching current control circuit, LED dimmer system, and LED illumination device'20169,271,365'LED power supply device'20169,101,011'Lighting system including power conversion using a control signal based on illuminance information from a solar power generator'20159,101,008'Light emitter driving device and lighting appliance therewith'20159,066,384'Light emitting device control circuit device and control method of the control circuit device'20158,922,137'Dimming control device, dimming control method and lighting apparatus provided with dimming control device'20148,922,135'Light emitter driving device and lighting appliance therewith'20148,890,441'Load driving device and LED lighting appliance therewith'20148,710,995'Lighting apparatus'20148,575,860'Light emitting device control circuit device and control method of the control circuit device'20137,430,443'Portable communication terminal'20087,164,375'Analog to digital converter using both analog and digital offset voltages as feedback'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2017Patents assigned to ROHM CO LTD (16)· patent assignee history
2007–2017Based in Kyoto, JP· patent location history
2013–2017Patents assigned to SAWADA AKINOBU (7)· patent assignee history
2013Patents assigned to KIKUCHI HIDEKAZU (1)· patent assignee history
2014–2017Patents assigned to TANAKA MASAHIDE (2)· patent assignee history
2014Patents assigned to NAGASHIMA MITSUNORI (1)· patent assignee history
2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM CO LTD | 16 | 2007–2017 |
| SAWADA AKINOBUself | 7 | 2013–2017 |
| TANAKA MASAHIDE | 2 | 2014–2017 |
| KIKUCHI HIDEKAZU | 1 | 2013 |
| NAGASHIMA MITSUNORI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 16 | 2007–2017 |
| Tokyo, JP | 1 | 2021 |