Inventor

NAKAI KENYA

JP24 patents

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

NAKAI KENYA

MITSUBISHI ELECTRIC CORP

Micro object detection apparatus

Floating particle detection device

Particle detection device

Semiconductor laser unit and optical head device

Micro object detection apparatus

Optical device and optical disc apparatus utilizing the optical device

Optical head device and optical disk apparatus

Semiconductor laser unit and optical head device

Image protection device and adjustment method

Optical-pickup-adjustment optical disk, method of adjusting optical pickup device, and method of producing optical pickup device

Extraction optical system and optical head device including the same

Light detection device

Optical information recording medium and recording/reproducing device

NAKAI KENYA

Optical head apparatus, optical disk apparatus and optical disk

Optical disc medium and optical disc device

Optical head device and optical disk playback system

Optical information recording medium and drive device

Optical disc device, optical disc and testing method of optical disc

Optical disc device

SHINODA MASAHISA

Optical head device and optical disc device

Diffractive optical element and optical pickup

OMAKI MASAYUKI

Optical head device and optical disc device

Signal processing device, signal processing method, and optical disc apparatus

FUNAI ELECTRIC CO

Optical pickup device