Inventor

NAGUMO AKIRA

JP61 patents

⚠️ This page may combine multiple inventors who share the name “NAGUMO AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NAGUMO AKIRA

OKI DATA KK

Temperature sensing circuit, driving apparatus, and printer

Print head having non-volatile memory and means for transmitting correction and inherent data

Driving circuit and LED head with constant turn-on time

Driving circuit with switching element on static current path, and printer using same

Driver IC

Driving apparatus with circuits for efficiently transferring and storing compensation data

High-speed signal transmission circuit with reduced electromagnetic interference

Drive circuit, light emitting diode head, and image forming apparatus

Image recording apparatus

Image recording method and apparatus enlarging isolated dots

Drive circuit and LED head incorporating the drive circuit

Driving circuit, printed wiring board, and print head with clock inverting circuits

Drive circuit, light print head, and image forming apparatus

Array driving circuit with control voltage adjusted at both ends, and array head using same

Integrated circuit that emits light, optical head that incorporates the integrated circuit, and image forming apparatus that uses the optical head

Light-emitting element array, drive controlling device, recording head, and image forming device

Three-terminal switch array device, combined semiconductor device, and image forming apparatus

Drive circuit, light emitting diode head, and image forming apparatus

Driving apparatus, LED head and image forming apparatus

Printer having print data correction circuit

Light-emission drive circuit and image forming apparatus

Drive circuit, light print head, and image forming apparatus

NAGUMO AKIRA

Light-emitting element array, driving device, and image forming apparatus

Driving device, print head and image forming device

Driving device, optical print head and image forming device

Drive circuit, light print head, and image forming apparatus

Reference voltage generation circuit, drive device, print head, and image forming apparatus

Reference voltage generation circuit, drive circuit, light emitting diode head, and image forming apparatus

Driver circuit, optical print head, and image forming apparatus

Light-emitting element array, driving device, and image forming apparatus

Redundance control of temperature compensation for a LED printhead

Driver circuit and image forming apparatus

Drive device, LED array, LED head, and image forming apparatus provided therewith

Driving circuit, LED head and image forming apparatus

Drive circuit, light emitting diode head, and image forming apparatus

Drive device, print head and image forming apparatus

Drive device, LED array, LED head, and image forming apparatus provided therewith

Semiconductor composite device, method of manufacturing the same, optical print head and image forming apparatus

Driver apparatus, print head and image forming apparatus

Reference voltage generation circuit, drive circuit, light emitting diode head, and image forming apparatus

Drive circuit, optical print head, and image forming apparatus

Semiconductor device, print head and image forming apparatus

OKI ELECTRIC IND CO LTD

Non-impact printer and a print head thereof

Printer having print data arithmetic logic

Cut-sheet feeder control method

Paper feeding control system of automatic paper feeder

Printer having print data correction circuit

Printer for printing bit-mapped image responsive to bit-mapped image signal

Method of controlling an automatic sheet feeder using multiple pulses

Method of automatically inserting printing paper in an automatic paper feeder