Inventor

TOYOSHIMA TOSHIYA

JP5 patents

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

HITACHI CABLE

4 patents

US6043509AMar 28, 2000

Light-emitting diode having moisture-proof characteristics and high output power

HITACHI CABLE10 citations71

US5888843AMar 30, 1999

Method for making light-emitting diode having improved moisture resistance characteristics

HITACHI CABLE4 citations60

US4483735ANov 20, 1984

Manufacturing process of semi-insulating gallium arsenide single crystal

HITACHI CABLE6 citations57

US6413791B1Jul 2, 2002

Epitaxial wafer and manufacturing method thereof as well as light-emitting diode with enhanced luminance

HITACHI CABLE0 citations46

HITACH CABEL LTD

1 patent

US5965908AOct 12, 1999

Epitaxial wafer and manufacturing method thereof as well as light-emitting diode with enhanced luminance

HITACH CABEL LTD8 citations63