Inventor

DOI YOSHIYUKI

JP23 patents

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

DOI YOSHIYUKI

FUJI PHOTO FILM CO LTD

Chemical analysis film supplier

Apparatus for accurately positioning a printing plate stand

Device for taking out chemical analysis film chips from a film cartridge

Lithographic printing plate printer

Chemical analysis element supplier

NIPPON TELEGRAPH & TELEPHONE

Optical multiplexer/demultiplexer

Cable connection management system and cable connection management method

Tactile presentation device, and tactile presentation method

Optical semiconductor device

Name tag transmitter, smartware management system, and smartware management method

MITSUBISHI HEAVY IND LTD

Dust collecting filter, dust collecting device, and air intake device for gas turbine

Gas turbine suction air filter, a gas turbine using the same and a method for using the same

Device for thermal electric and nuclear power plants

Filter control method, and filter controlled by the method

GOH TAKASHI

Optical modulator

Advanced-format optical modulator with low power consumption and low-loss characteristics

ISHII MOTOHAYA

Optical component

Optical component

DOI YOSHIYUKI

Optical modulator

Optical semiconductor device

KOSAKA TERUO

Intake silencer for gas turbine

MITSUBISHI HITACHI POWER SYS LTD

Filter unit quality management system and filter unit quality management method

OHYAMA TAKAHARU

Optical module