Inventor

AKANUMA GOICHI

JP24 patents

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

AKANUMA GOICHI

AKANUMA GOICHI

Optical deflection device and image forming apparatus

Light deflector, image projection apparatus, laser headlamp, head-mounted display, distance measurement apparatus, and mobile object

Optical deflector, optical scanner, image forming apparatus, and image projector

Deflecting mirror for deflecting and scanning light beam

Light deflector, and devices incorporating the same

Objective lens drive apparatus where interaction of drive magnets and drive coils drive a holding member that holds the objective lens and optical pickup and optical disk apparatus including the same

RICOH KK

Objective lens drive apparatus with objective lens portion movable along support member axial direction

Objective lens driving apparatus for driving an objective lens of an optical disk drive

Imaging device

Object lens driving device with reduced tilt during focusing and tracking operations and optical pickup and optical disk drive utilizing the same

Light path circuit apparatus and ring laser gyro

RICOH CO LTD

Light deflector, deflecting device, object recognition device, image projection device, and mobile object

Light deflector, optical scanning system, image projection device, image forming apparatus, and lidar device

Light deflector, deflecting device, distance measurement device, image projection device, and vehicle

Light deflector, optical scanning system, image projection device, image forming apparatus, and lidar device

Light deflector, optical scanning device, image projection device, and mobile object

SHINKAWA MIZUKI

Movable device, image projection apparatus, heads-up display, laser headlamp, head-mounted display, object recognition device, and vehicle

Movable device, image projection apparatus, laser headlamp, head-mounted display, distance measurement device, and mobile object

SEO MANABU

Lighting device and projection image display unit

KITAZAWA TOMOFUMI

Actuator, protective cover for actuator, actuator manufacturing method, and optical deflector incorporating actuator, and two dimensional optical scanner and image projector incorporating optical scanner

HASHIGUCHI TSUYOSHI

Optical deflection device, apparatus including the same, and method of controlling optical deflecting device

YOKOTA WATARU

Acoustic transducer

YODA MITSUHIRO

Optical deflector, deflection apparatus, distance measuring apparatus, image projecting apparatus, and movable body

NAKAGAWA JUN

Light deflector, two-dimensional image display apparatus, optical scanner, and image forming apparatus