Inventor

HARA KAZUTAKA

JP62 patents

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

HARA KAZUTAKA

NITTO DENKO CORP

Polarizing element, optical element, and liquid crystal display

Light guide plate, surface light source device, polarized light source device and liquid crystal display

Process for producing polymerization or crosslinking rate-distributed article and process for producing lens, lens array or waveguide using the process

Polarizer, polarization light source and image display unit using them

Viewing angle magnification liquid crystal display unit

Light source and liquid crystal display

Light source device and crystal display device

Optical element, polarizing element, lighting device, and liquid crystal display

Resin sheets containing dispersed particles, processes for producing the same, and liquid crystal displays

Semi-transmissible reflector, semi-transmission type polarizer and liquid-crystal display device using the sames

Optical element, polarizing element, lighting device, and liquid crystal display

Optical element, polarizing element, lighting device, and liquid crystal display

Polarizing plate and image display including the same

Broad band-cholesteric liquid crystal film and process for producing the same, circularly polarizing plate, linearly polarizing element, illuminator, and liquid-crystal display

Optical element and surface light source device using the same, as well as liquid crystal display

Semi-transmitting reflective plate, reflective plate, semi-transmitting polarizer, reflective polarizer and liquid crystal display using same

Semi-transmitting reflective plate, semi-transmitting polarizer, and liquid crystal display using same

Resin sheets containing dispersed particles, processes for producing the same, and liquid crystal displays

Polarization component, polarization light source and image display apparatus using the same

Optical element, light condensation backlight system, and liquid crystal display

Polarizer, polarization light source and image display unit using them

Optical element, condensing backlight system and liquid crystal display

Broad-band-cholesteric liquid-crystal film, process for producing the same, circularly polarizing plate, linearly polarizing element, illiminator, and liquid-crystal display

Rotatory polarization plate, optical element, light condensation backlight system and liquid crystal display

Optical device, light-condensing backlight system, and liquid crystal display

NIPPON TELEGRAPH & TELEPHONE

Wireless communication system, wireless communication method and terminal device

Terminal devices, communication methods, and communication systems

Optical communication system and optical communication method

Terminal devices, communication methods, and communication systems

Wireless communication system, base station control device, evacuation guidance method, and base station control program

Wireless communication system, base station control device, evacuation guidance method, and base station control program

Control station device and wireless terminal station device

Wireless communication system, wireless communication method and wireless terminal equipment

Optical communication system and optical communication method

Wireless terminal station device, management station device, wireless communication system and wireless communication method

Monitoring system, monitoring method, and monitoring program

Terminal devices, communication methods, and communication systems

Communication systems, terminals, communication methods, and programs

Communication systems, base stations, and communication methods

Optical-RF hybrid wireless communication system and control method

Optical/RF wireless hybrid communication system and a control method

Bit-rate discrimination method and its apparatus

Optical measuring device

NTT INC

Station side optical line terminal and registration method

Optical communication device, optical access system and optical communication method

Relay apparatus, optical access system and relay method

ISHIDA KOSAKU

Muffling structure of vent pipe and muffling structure of case

NAKAMURA HIROTAKA

Modulation method, modulation program, recording medium, modulation device, and optical transmitter

IZUTANI SEIJI

Light-emitting diode device

SUBARU CORP

Start-stop control apparatus