P

Inventor

ONO YUICHI

JP69 patents
⚠️ This page may combine multiple inventors who share the name “ONO YUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

25 patents
US4961197AOct 2, 1990

Semiconductor laser device

HITACHI LTD77 citations96
US5283846AFeb 1, 1994

Optical isolator, optical circuit, and rare-earth-doped fiber optical amplifier

HITACHI LTD31 citations92
US4212021AJul 8, 1980

Light emitting devices

HITACHI LTD30 citations92
US4710787ADec 1, 1987

Semiconductor device

HITACHI LTD21 citations82
US4698652AOct 6, 1987

FET with Fermi level pinning between channel and heavily doped semiconductor gate

HITACHI LTD21 citations82
US4740976AApr 26, 1988

Semiconductor laser device

HITACHI LTD22 citations80
US4367483AJan 4, 1983

Optical semiconductor device

HITACHI LTD19 citations79
US4783425ANov 8, 1988

Fabrication process of semiconductor lasers

HITACHI LTD7 citations74
US4752933AJun 21, 1988

Semiconductor laser

HITACHI LTD6 citations74
US4280131AJul 21, 1981

Pleochroic light emitting diode and method of fabricating the same

HITACHI LTD7 citations74
US4032945AJun 28, 1977

Light emitting semiconductor diode

HITACHI LTD16 citations74
US4016829AApr 12, 1977

Apparatus for crystal growth

HITACHI LTD10 citations74
US4017881AApr 12, 1977

Light emitting semiconductor device and a method for making the same

HITACHI LTD15 citations74
US3960618AJun 1, 1976

Epitaxial growth process for compound semiconductor crystals in liquid phase

HITACHI LTD17 citations74
US5136601AAug 4, 1992

Semiconductor laser

HITACHI LTD8 citations73
US4122486AOct 24, 1978

Semiconductor light-emitting element

HITACHI LTD12 citations73
US4811354AMar 7, 1989

Semiconductor laser

HITACHI LTD8 citations72
US4800565AJan 24, 1989

Semiconductor laser device having high optical intensity and reliability

HITACHI LTD9 citations72
US4780879AOct 25, 1988

Semiconductor laser device having little astigmatism

HITACHI LTD14 citations72
US4000716AJan 4, 1977

Epitaxial growth device

HITACHI LTD17 citations68
US4007074AFeb 8, 1977

Method of making an epitaxial growth layer of GaAs1-x Px compound semiconductor

HITACHI LTD13 citations67
US4805005AFeb 14, 1989

Semiconductor device and manufacturing method of the same

HITACHI LTD5 citations63
US3981764ASep 21, 1976

III-V Compound semi-conductor crystal growth from a liquid phase on a substract including filtering liquid phase

HITACHI LTD5 citations63
US4797891AJan 10, 1989

Semiconductor laser

HITACHI LTD6 citations62
US4183039AJan 8, 1980

Light emitting semiconductor device

HITACHI LTD4 citations60

USUI KOKUSAI SANGYO KK

13 patents

EISAI R&D MAN CO LTD

3 patents

UNIV KYOTO

2 patents

KURITA WATER IND LTD

1 patent

AGENCY IND SCIENCE TECHN

1 patent

TOYOTA MOTOR CO LTD

1 patent

TOHO TITANIUM CO LTD

1 patent

TSUKISHIMA KIKAI CO

1 patent

ONO YUICHI

1 patent

GREE INC

1 patent

Showing the top 50 of 69 patents by PatentIndex Score.