Inventor

KOYAMA TAKESHI

JP127 patents

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

KOYAMA TAKESHI

CANON KK

Viewfinder device for displaying photographic information relating to operation of a camera

Zoom lens

Focus detecting device

Viewfinder device

Zoom lens

Zoom lens

Focus detecting device having a plurality of detecting areas and camera provided with the same

Multi-directional focus state detection apparatus

Focus detecting apparatus

Focus detecting device using adjustable inclined sensing means

Compact zoom lens

Small-sized camera

Camera having a focus detecting apparatus

Device for detecting the focus adjusted state of an objecting lens

Focus detecting system

Apparatus for detecting focusing state of objective lens

Optical system of variable magnification

Optical apparatus operable in static and dynamic image taking modes

Viewfinder apparatus and optical apparatus having the same

Multi-point distance measuring apparatus

Photographing apparatus having a trimming photographic mode

Pattern projector having a multi-portion projection lens and camera comprising the same

Compact focus detecting device suitable for incorporation into an optical apparatus

Focus detection device having a plurality of means for forming light patterns provided at different distances from the optical axis

MITSUBISHI GAS CHEMICAL CO

Gas-barrier polyurethane resin, and adhesive for laminate, gas-barrier film and paint containing the same

Polyisocyanate prepolymer

Cyclohexanetricarboxylic monoester and its use

Fine amorphous powder and process for preparing fine powdery mixture of silicon nitride and silicon carbide

Process of producing hollow shaped articles

Heat-curable resin composition and use thereof

Curing epoxy resin with aliphatic diamine-styrene product and carboxyl- and hydroxyl-containing accelerator

Pneumatic tire

TOSHIBA KK

Automatic gain control method and its system

Phase comparing circuit, PLL circuit, televisions broadcasting receiver, and method of comparing phase

OFDM transmit signal receiver

RICOH KK

Image processing apparatus, image processing method, program, and recording medium that allow setting of most appropriate post-quantization condition

Imaging device, image processing method, and recording medium

Image compression method capable of reducing tile boundary distortion

SONY CORP

Capacitance detecting apparatus and its inspecting method and fingerprint checking apparatus

Animate body detector

JGC CORP

Solid particle containing active carbon, support and catalyst

Process for producing carbonic acid diester

FUJITSU TEN LTD

Fixing structure and control device using that fixing structure

Vehicular electronic device

JTEKT CORP

Orthosis

Motion assisting device

KOYAMA TAKESHI

Housing structure for in-vehicle electronic device

Communication device, update method, and computer program product for updating a program based on received metainformation

SEIKO INSTR INC

Semiconductor device

YAZAKI CORP

Rear combination lamp