Inventor

KOIZUMI HIROSHI

JP119 patents

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

KOIZUMI HIROSHI

SONY CORP

Television set with sound-reflecting sidewalls

Electric apparatus having speaker

Speaker device for television receiver

Method of forming a hybrid lens

Speaker apparatus with a picture projecting screen

Speaker unit

Diaphragm for use with an electro-acoustic transducer and method of producing the same

Device and method for installing vehicle door speaker

Dynamic loudspeaker

Loudspeaker and a method of producing the same

TOPCON CORP

Tilt detecting device

Laser system for surveying

Laser beam emitting apparatus and method of driving laser light source

Laser beam emitting apparatus

Laser system for surveying

Lens periphery edge processing apparatus

Contrast adjustor for aiming laser

Laser apparatus and method of controlling the same

Rotating laser beam irradiating apparatus

TOKYO ELECTRON LTD

Exhaust ring for manufacturing semiconductors

Substrate processing apparatus and substrate transferring method

Method and system for controlling chiller and semiconductor processing system

Vacuum treatment device

Partial pressure control system, flow rate control system and shower plate used for partial pressure control system

Transfer apparatus for target object

HITACHI LTD

Automatic urine accumulator

Automatic urine collection apparatus

Color correction system of imaging apparatus

Automatic urine collecting apparatus

Water filter

FUJIKIN KK

Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatus

Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatus

Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatus

Structure or construction for mounting a pressure detector

MITUTOYO CORP

Electrical capacitance instrument and manufacturing method of the same

Tape measure device

Scale on an apparatus for measuring displacement

RICOH KK

Image forming elements array, and optical printing head and image forming apparatus using the array

Zoom lens system

OHMI TADAHIRO

Method of detecting abnormalities in flow rate in pressure-type flow controller

FUJI XEROX CO LTD

Image recognition apparatus for judging between monochromic and color originals

AKIMOTO YOSUKE

Method for manufacturing semiconductor light emitting device

MITUTOYO MFG CO LTD

Digital indication type length measuring system

CANON DENSHI KK

Method of producing an exposure blade

CALSONIC KANSEI CORP

Connecting structure for connecting radiator and condenser

INANAMI RYOICHI

Stage apparatus and process apparatus

KOIZUMI HIROSHI

Optical semiconductor device and method for manufacturing same

TOSHIBA KK

Semiconductor light emitting device

CANON KK

Stepping motor

KUSUMOTO CHEMICALS

Process for modifying rheological and suspension properties of nonaqueous suspension