P

Inventor

IGA KENICHI

JP13 patents
⚠️ This page may combine multiple inventors who share the name “IGA KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FURUKAWA ELECTRIC CO LTD

4 patents
US5789760AAug 4, 1998

Multiquantum barrier Schottky junction device

FURUKAWA ELECTRIC CO LTD12 citations73
US5932890AAug 3, 1999

Field effect transistor loaded with multiquantum barrier

FURUKAWA ELECTRIC CO LTD5 citations62
US5383213AJan 17, 1995

Semiconductor device with current confinement structure

FURUKAWA ELECTRIC CO LTD5 citations62
US5362974ANov 8, 1994

Group II-VI material semiconductor optical device with strained multiquantum barriers

FURUKAWA ELECTRIC CO LTD6 citations62

TOKYO INST TECH

2 patents
US5091756AFeb 25, 1992

Superlattice structure

TOKYO INST TECH33 citations90
US6449300B1Sep 10, 2002

Surface-emitting laser

TOKYO INST TECH15 citations83

DEV CORP OF JAPAN

1 patent
US5020066AMay 28, 1991

Surface-emitting-type semiconductor laser device

DEV CORP OF JAPAN22 citations87

KAWAGUCHI KOGAKU SANGYO

1 patent
US5764828AJun 9, 1998

Optical apparatus for controlling angle of divergence of ring beam

KAWAGUCHI KOGAKU SANGYO51 citations84

KOKUSAI DENSHIN DENWA CO LTD

1 patent
US4340966AJul 20, 1982

Semiconductor laser with buffer layer

KOKUSAI DENSHIN DENWA CO LTD24 citations78

OMRON TATEISI ELECTRONICS CO

1 patent
US5289486AFeb 22, 1994

Semiconductor luminous element and superlattice structure

OMRON TATEISI ELECTRONICS CO14 citations73

HITACHI LTD

1 patent
US5241554AAug 31, 1993

Laser diode of variable beam divergence and information processor using the same

HITACHI LTD8 citations72

JAPAN RES DEV CORP

1 patent
US5236864AAug 17, 1993

Method of manufacturing a surface-emitting type semiconductor laser device

JAPAN RES DEV CORP9 citations72

JAPAN SCIENCE & TECH CORP

1 patent
US6764229B1Jul 20, 2004

Method and apparatus for optical fiber splicing

JAPAN SCIENCE & TECH CORP3 citations58