Inventor
MANAKA JUNJI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “MANAKA JUNJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH SEIKI CO LTD
9 patentsUS4580439AApr 8, 1986
Low power gas detector
RICOH SEIKI CO LTD100 citations96
US5683546ANov 4, 1997
Method of etching silicon substrate at different etching rates for different planes of the silicon to form an air bridge
RICOH SEIKI CO LTD18 citations92
US5551283ASep 3, 1996
Atmosphere measuring device and flow sensor
RICOH SEIKI CO LTD93 citations92
US5423212AJun 13, 1995
Flow sensor
RICOH SEIKI CO LTD40 citations92
US5726357AMar 10, 1998
Flow sensor
RICOH SEIKI CO LTD13 citations82
US5392647AFeb 28, 1995
Flow sensor
RICOH SEIKI CO LTD16 citations82
US5722288AMar 3, 1998
Flow sensor
RICOH SEIKI CO LTD5 citations73
US5888761AMar 30, 1999
Etching method for forming air bridge pattern on silicon substrate
RICOH SEIKI CO LTD3 citations62
US5467651ANov 21, 1995
Drive control apparatus for microsensor
RICOH SEIKI CO LTD1 citations52
RICOH KK
7 patentsUS7360416B2Apr 22, 2008
Non-contact condensation detecting apparatus
RICOH KK42 citations92
US5003812AApr 2, 1991
Gas detecting device
RICOH KK25 citations92
US4984446AJan 15, 1991
Gas detecting device and gas detecting system using the same
RICOH KK43 citations92
US4967589ANov 6, 1990
Gas detecting device
RICOH KK25 citations92
US4740387AApr 26, 1988
Low power gas detector
RICOH KK12 citations74
US7574910B2Aug 18, 2009
Non-contact condensation detecting method and non-contact condensation detecting apparatus
RICOH KK7 citations73
US4775838AOct 4, 1988
Sensor with periodic heating
RICOH KK14 citations68