Inventor

HIRAI KOJI

JP64 patents

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

HIRAI KOJI

KURARAY CO

Thermoplastic polyurethanes and molded articles comprising them

Thermoplastic polyurethanes and molded articles comprising them

Laminate comprising a polyurethane layer

Polyamide copolymers

Process for producing polyurethane

Trimethylolheptanes and use thereof

Process for producing polyester polyurethane

Process for production of polyurethane

Synthetic polyisoprene rubber latex

Thermoplastic polyurethane composition

Polyurethane and molded article comprising the same

Polyurethane, elastic polyurethane fiber and polyesterpolycarbonatediol used for the same

Polyurethane, process for its production and polyester diol used for its production

Polyester urethane fiber: polyester made from methyl pentane diol

Polyamideimide elastomer and production thereof

Polyurethane compositions

Polyurethane composition having good light resistance

Polyurethane coating compositions prepared from a polymeric diol, an alicyclic diisocyanate, an alicyclic diamine and either hydrazine or isophthalic acid dihydrazide

Elastic polyurethane fiber

Polyamide copolymers

MAZDA MOTOR

Traction control system for vehicle

Traction control system for vehicles

Traction control system for vehicles

Traction control system for a vehicle responsive to a position of an accelerator pedal

Traction control termination determining system

Alarm system for vehicle

Traction control system for motor vehicle

SUMITOMO DUREZ CO

Color developer for pressure-sensitive copying paper

Color developer for pressure-sensitive copying paper

Phenolic resin color developing compositions for copying papers and methods of preparation

Color developer for pressure-sensitive copying paper

Color developer for pressure-sensitive copying paper

CANON KK

Cable connection structure and electronic apparatus having the same

Method of interconnecting frame grounds in housing, and electronic equipment with structure interconnected by the method

Printed circuit board and printing apparatus

Printed circuit board and printing apparatus

HIRAI KOJI

Digital-to-analog converter

D/A converter

Resistor string digital-to-analog converter

D/A converter including higher-order resistor string

FUJIKURA LTD

Diaphragm for a switch

Metal dome sheet, its manufacturing method, and metal dome system

Membrane for key switch and the key switch

HITACHI LTD

Time division exchange system having functions of compressing and expanding information

Virtual storage management

TOKAI RIKA CO LTD

Method and apparatus for molding an insulator device

Multiple contact switch

SONY CORP

Cooling apparatus and projection type display device

KONDO YOSHITAKE

Image display device

FUJITSU LTD

Wireless communication apparatus