Inventor

ISHII MOTOHAYA

JP22 patents

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

ISHII MOTOHAYA

NIPPON TELEGRAPH & TELEPHONE

Optical waveguide circuit, its manufacturing method and optical waveguide module having the optical waveguide circuit

Optical module and optical switch

Optical module and optical switch constituting the same

Optical module and optical switch constituting the same

Optical signal processing device

Planar lightwave circuit, design method for wave propagation circuit, and computer program

Optical module and optical switch constituting the same

Optical module and optical switch constituting the same

Optical waveguide circuit

Wavelength multi/demultiplexer

ISHII MOTOHAYA

Optical component

Optical component

Optical component having different waveguide angles at the interface between two planar lightwave circuits

Optical circuit and optical signal processing apparatus using the same

NTT ELECTRONICS CORP

Optical module

Optical device having a fiber array, and method of alignment thereof

Optical module

SAIDA TAKASHI

Planar lightwave circuit, design method for wave propagation circuit, and computer program

Planar lightwave circuit, design method for wave propagation circuit, and computer program

Planar lightwave circuit, design method for wave propagation circuit, and computer program

SUZUKI KENYA

Dispersion compensator

OOBA NAOKI

Optical signal processing device