Inventor

YAMAGUCHI KEITA

JP33 patents

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

YAMAGUCHI KEITA

NIPPON TELEGRAPH & TELEPHONE

Optical waveguide

Optical and electronic integrated switch

Optical and electronic integrated switch

Optical and electronic integrated switch and optical network system

Optical node device

Optical input/output device

Optical signal processing device

Optical waveguide

Optical and electronic integrated switch

Optical signal processing apparatus and manufacturing method thereof

Optical signal processing apparatus

Optical signal processing apparatus

Optical module and manufacturing method thereof

Optical signal processing device and method for controlling same

Variable wavelength filter

Optical module

Optical switch array and multicast switch

HITACHI LTD

Imaging device, imaging method, and image processing device generating a complex sensor image

Distance measurement device and distance measurement method

MITSUBISHI ELECTRIC CORP

Communications control system for elevators

Cache memory and method for controlling the same

PARAMOUNT BED KK

Information collection apparatus and apparatus attaching method

Information processing apparatus, information processing method, and non-transitory computer-readable medium

SOFTBANK CORP

Language conversion apparatus, language conversion method, and language conversion program

FUSE TOORU

Negative electrode material for lithium secondary battery, method for producing same, negative electrode for lithium secondary battery using same and lithium secondary battery

NTT INC

Photomask, optical-waveguide, optical circuit and method of manufacturing an optical-waveguide

MATSUMOTO HITOSHI

Composite graphite particles for nonaqueous secondary battery, negative-electrode material containing the same, negative electrode, and nonaqueous secondary battery

MAXELL LTD

Distance measurement device, head-mounted display device, mobile information terminal, image display device, surroundings monitoring system, and distance measurement method

OKANISHI KENGO

Composite graphite particle for nonaqueous secondary battery, negative electrode material containing the same, negative electrode and nonaqueous secondary battery

YAMAGUCHI KEITA

Packing sheet

YAMADA SHUNSUKE

Carbon material for lithium ion secondary battery

UNIV CINCINNATI

Tool condition monitoring system

ONISHI NOBUYUKI

Negative electrode material for nonaqueous secondary cells, negative electrode for nonaqueous secondary cells, and nonaqueous secondary cell