Inventor
MASAAKI NAKAYAMA
Inventor
JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating25%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general16%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications16%
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 systems11%
H10HInorganic light-emitting semiconductor devices having potential barriers9%
G05FSystems for regulating electric or magnetic variables7%
H01LSemiconductor devices7%
B62JCycle saddles or seats5%
H10DInorganic electric semiconductor devices2%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h102%
PatentTitleYear
12,490,359Light-emitting element driving device, lighting device, and vehicle202512,452,974Light emitting element driving device202512,432,829Load drive device202512,408,244Light-emitting element driving circuit202512,381,134Semiconductor device with arrangement for terminals connected to multiple switches202512,257,948Lamp control device202511,919,441Lamp control device202411,871,492Light emitting element drive device and light emitting system202411,758,629Load drive device202311,723,124Light-emitting element driving device202311,438,981Load drive device202211,229,102Lighting device2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to ROHM CO LTD (12)· patent assignee history
2022–2025Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM CO LTD | 12 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 12 | 2022–2025 |