Inventor

OHTSUKA KOJI

JP23 patents

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

OHTSUKA KOJI

SANKEN ELECTRIC CO LTD

Semiconductor light-emitting device using phosphors for performing wavelength conversion

Hall-effect current detector

Semiconductor current detector of improved noise immunity

Large current detector having a hall-effect device

Current detector having a hall-effect device

Semiconductor device having a hall-effect element

Hall-effect current detector

Electrical current detector having a U-shaped current path and hall-effect device

Current detector utilizing hall effect

Light-emitting semiconductor device having a quantum well active layer, and method of fabrication

Light emitting semiconductor element with ZN doping

High voltage, high speed Schottky semiconductor device and method of fabrication

Method of fabricating a high voltage, high speed Schottky semiconductor device

Compound semiconductor substrates and method of fabrication

Method of fabricating a high-voltage semiconductor device having a rectifying barrier

High-voltage semiconductor device having a rectifying barrier, and method of fabrication

High speed, high voltage schottky semiconductor device

Fabrication of P-N junction semiconductor device

P-N junction semiconductor device and method of fabrication

High voltage, high speed schottky semiconductor device and method of fabrication

Method of manufacturing a Schottky barrier semiconductor device

PETROLEUM ENERGY CENTER FOUND

Catalyst for hydrocracking of heavy oils and method of hydrocracking heavy oils

GKN DRIVELINE TORQUE TECH KK

Differential device