Inventor
NAKAGAWA TAKEHIRO
JP35 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA TAKEHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
15 patentsUS5609561AMar 11, 1997
Electronic type endoscope in which image pickup unit is dismounted to execute disinfection/sterilization processing
OLYMPUS OPTICAL CO198 citations99
US5408263AApr 18, 1995
Electronic endoscope apparatus
OLYMPUS OPTICAL CO203 citations98
US5374953ADec 20, 1994
Electronic endoscope apparatus with signal validity monitor
OLYMPUS OPTICAL CO136 citations98
US5269289ADec 14, 1993
Cavity insert device using fuzzy theory
OLYMPUS OPTICAL CO162 citations98
US5592216AJan 7, 1997
Endoscopic apparatus capable of storing image information for a plurality of frames
OLYMPUS OPTICAL CO85 citations96
USRE34504EJan 11, 1994
Electronic endoscope system provided with a means of imaging frozen pictures having few picture image smears
OLYMPUS OPTICAL CO55 citations96
US5113254AMay 12, 1992
Electronic endoscope apparatus outputting ternary drive signal
OLYMPUS OPTICAL CO71 citations96
US4967269AOct 30, 1990
Endoscope automatic light control apparatus and endoscope apparatus making use of the same
OLYMPUS OPTICAL CO83 citations96
US4959710ASep 25, 1990
Electronic endoscope whereby the position of the insertable part can be known by a transmitted light outside a body
OLYMPUS OPTICAL CO89 citations96
US4933757AJun 12, 1990
Electronic endoscope apparatus provided with a movement detecting means
OLYMPUS OPTICAL CO23 citations93
US5243666ASep 7, 1993
Static-image signal generation apparatus using fuzzy theory
OLYMPUS OPTICAL CO41 citations92
US4901143AFeb 13, 1990
Electronic endoscope system provided with a means of imaging frozen pictures having few picture image smears
OLYMPUS OPTICAL CO45 citations92
US4979035ADec 18, 1990
Electronic endoscope apparatus with CCD output circuit of positive polarity
OLYMPUS OPTICAL CO26 citations91
US5164824ANov 17, 1992
Image freezing signal-processing apparatus
OLYMPUS OPTICAL CO32 citations90
US4933760AJun 12, 1990
Movement detecting circuit
OLYMPUS OPTICAL CO2 citations63
NOK CORP
10 patentsUSD802104SNov 7, 2017
Seal
NOK CORP23 citations92
USD865134SOct 29, 2019
Seal
NOK CORP5 citations82
US7806412B2Oct 5, 2010
Lip type end face sealing device
NOK CORP8 citations82
US10371260B2Aug 6, 2019
Oil seal
NOK CORP3 citations73
US9618117B2Apr 11, 2017
Oil seal
NOK CORP5 citations73
US11287042B2Mar 29, 2022
Sealing apparatus
NOK CORP2 citations71
US10208861B2Feb 19, 2019
Sealing device
NOK CORP5 citations71
US10428947B2Oct 1, 2019
Sealing device
NOK CORP1 citations62
US11261968B2Mar 1, 2022
Sealing device for differential mechanism
NOK CORP0 citations50
US10711899B2Jul 14, 2020
Seal device
NOK CORP0 citations48