Inventor

TADA KUNIO

JP7 patents

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

OPTICAL MEASUREMENT TECHNOLOGY

2 patents

US5289494AFeb 22, 1994

Distributed feedback semiconductor laser

OPTICAL MEASUREMENT TECHNOLOGY24 citations90

US5077752ADec 31, 1991

Semiconductor laser

OPTICAL MEASUREMENT TECHNOLOGY34 citations90

NIKON CORP

1 patent

US5787105AJul 28, 1998

Integrated semiconductor laser apparatus

NIKON CORP17 citations84

SUMITOMO ELECTRIC INDUSTRIES

1 patent

US4685763AAug 11, 1987

Light modulation device

SUMITOMO ELECTRIC INDUSTRIES23 citations80

FURUKAWA ELECTRIC CO LTD

1 patent

US5153687AOct 6, 1992

Semiconductor optical functional device with parabolic wells

FURUKAWA ELECTRIC CO LTD16 citations73

HITACHI LTD

1 patent

US4832430AMay 23, 1989

Optical switch

HITACHI LTD16 citations73

NEC CORP

1 patent

US5119449AJun 2, 1992

Optical directional coupler switch

NEC CORP11 citations72