Inventor

OHKUBO KAZUAKI

JP26 patents

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

OHKUBO KAZUAKI

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Luminous flux measuring apparatus using an integrating hemisphere or an integrating quarter sphere

Incandescent bulb and incandescent bulb filament

Optical measuring device

Method and apparatus for forming discrete microcavities in a filament wire using microparticles

Fluorescent lamp

Spectroradiometer

Method and apparatus for calibrating line spectrum irradiance

Method and apparatus for forming microchannels in a filament wire

Lamp having conductor structure and non-conductor structure provided between filaments

Energy converter and light source

Electrodeless fluorescent lamp

OHKUBO KAZUAKI

Quantum efficiency measurement apparatus and quantum efficiency measurement method

Optical measurement apparatus, optical measurement system, and fiber coupler

Optical measurement apparatus

Optical measurement system, optical measurement method, and mirror plate for optical measurement system

Apparatus and method for measuring total luminous flux

OTSUKA DENSHI KK

Integrating photometer for measuring total flux of light generated from light source to be measured, and method for measuring total flux of light through use of the same

Optical characteristic measuring apparatus

Standard light source having restriction portion for diffuse reflection and measurement method

Optical characteristic measuring apparatus

SANO HIROYUKI

Optical characteristic measurement device and optical characteristic measurement method suitable for spectrum measurement

Optical characteristic measurement device and optical characteristic measurement method suitable for spectrum measurement

OSAWA YOSHIHIRO

Optical measurement apparatus including hemispherical optical integrator

Quantum efficiency measurement method, quantum efficiency measurement apparatus, and integrator

PANASONIC CORP

Energy converter and method of making the same

SAKAUE MIKA

Reflector and apparatus including the reflector