Inventor

TAKAHASHI RYOJI

JP28 patents

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

TAKAHASHI RYOJI

CHISSO CORP

Flame-retardant thermosetting resin composition, water-insoluble ammonium polyphosphate particles and method for producing the particles

Melamine-coated ammonium polyphosphate

Cellulose-based, inflammable, bulky processed sheets and method for making such sheets

Process for producing a melamine-coated ammonium polyphosphate

Flame-retardant thermoplastic resin composition

Flame-retardant and its composition

Water insoluble ammonium polyphosphate powder for flame-retardant thermoplastic polymer composition

Water-insoluble ammonium polyphosphate particles

SANKEN ELECTRIC CO LTD

Electronic switching device

Insulated-gate field-effect transistor

Semiconductor device

Insulated gate bipolar transistor having a high switching speed and method for fabricating the same

Insulated gate bipolar transistor having a reduced tail current and method of fabricating the same

TOKAI RIKA CO LTD

Illuminated momentary push button switch

Switch device

Circuit unit device

Switch device

NEC DISPLAY SOLUTIONS LTD

Display device equipped with position detecting device for detecting positions of pixels subjected to luminance calibration

Light source device, electronic blackboard system, and method of controlling light source device

TOKUYAMA CORP

Method for producing inorganic porous material

TOKUYAMA COPORATION

Crystalline inorganic porous material and production process therefor

DXO LABS

Camera

MITSUBISHI ELECTRIC CORP

Input signal switching matrix for an elevator

HITACHI METALS LTD

Cast iron melting process

HITACHI LTD

Mold binder material

TAKAHASHI RYOJI

Field-effect semiconductor device and method of producing the same

BANG & OLUFSEN AS

Headphones

BANDAI NAMCO ENTERTAINMENT INC

Object placing game with character battles