Inventor
ISHIDA KOJI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “ISHIDA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS4983540AJan 8, 1991
Method of manufacturing devices having superlattice structures
HITACHI LTD123 citations98
US5113072AMay 12, 1992
Device having superlattice structure, and method of and apparatus for manufacturing the same
HITACHI LTD48 citations96
US5146513ASep 8, 1992
Semiconductor optical device and array of the same
HITACHI LTD31 citations93
US4737003AApr 12, 1988
Optical switching device utilizing multiple quantum well structures between intersecting waveguides
HITACHI LTD42 citations93
US4693543ASep 15, 1987
Optical integrated circuit
HITACHI LTD31 citations93
US4784451ANov 15, 1988
Waveguide optical switches
HITACHI LTD27 citations92
US4185890AJan 29, 1980
Optical transmission line
HITACHI LTD32 citations92
US5543629AAug 6, 1996
Superlattice avalanche photodiode (APD)
HITACHI LTD30 citations90
US4695122ASep 22, 1987
Optical thin film waveguide
HITACHI LTD24 citations80
US5394491AFeb 28, 1995
Semiconductor optical switch and array of the same
HITACHI LTD7 citations74
US5044745ASep 3, 1991
Semiconductor optical switch and array of the same
HITACHI LTD13 citations74
US5033810AJul 23, 1991
Optical device
HITACHI LTD14 citations74
US4206968AJun 10, 1980
Optical fiber and method for producing the same
HITACHI LTD16 citations73
US4203743AMay 20, 1980
Method of producing optical fiber
HITACHI LTD20 citations73
US5324959AJun 28, 1994
Semiconductor optical device having a heterointerface therein
HITACHI LTD14 citations71
US5247592ASep 21, 1993
Semiconductor optical device and array of the same
HITACHI LTD4 citations63
US3973247AAug 3, 1976
Method of writing and erasing information for electrooptic ceramic memories
HITACHI LTD5 citations63
US5422967AJun 6, 1995
Self-routing optical switch and optical switch array
HITACHI LTD5 citations59
SBI BIOTECH CO LTD
4 patentsUS10730955B2Aug 4, 2020
Polynucleotides encoding anti-human receptor-type protein tyrosine phosphatase sigma antibodies
SBI BIOTECH CO LTD0 citations46
US10336834B2Jul 2, 2019
Methods of using anti-phospholipase D4 antibodies
SBI BIOTECH CO LTD0 citations46
US9944715B2Apr 17, 2018
Anti-phospholipase D4 antibody
SBI BIOTECH CO LTD1 citations46
US10806749B2Oct 20, 2020
TLR inhibitory oligonucleotides and their use
SBI BIOTECH CO LTD0 citations39