P

Inventor

TOMITA KATSUHIKO

JP40 patents
⚠️ This page may combine multiple inventors who share the name “TOMITA KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HORIBA LTD

25 patents
US6255678B1Jul 3, 2001

Apparatus for measuring physical and chemical phenomena

HORIBA LTD190 citations97
US6294133B1Sep 25, 2001

Multiple detecting apparatus for physical phenomenon and/or chemical phenomenon

HORIBA LTD92 citations96
US4456919AJun 26, 1984

Thermopile type detector with temperature sensor for cold junction

HORIBA LTD72 citations93
US5436457AJul 25, 1995

Infrared gas analyzer

HORIBA LTD32 citations92
US4980043ADec 25, 1990

Reference electrode

HORIBA LTD29 citations92
US5814280ASep 29, 1998

Semiconductor PH sensor and circuit and method of making same

HORIBA LTD23 citations89
US4872956AOct 10, 1989

Methods of measuring ion-concentration and the like and a calibrating sheet as well as a calibrating method of measuring devices used therein

HORIBA LTD22 citations82
US4816132AMar 28, 1989

Sheet type electrode

HORIBA LTD21 citations81
US6824660B2Nov 30, 2004

Molecular recognition type chemical CCD

HORIBA LTD12 citations74
US5256443AOct 26, 1993

Method of producing metallic thin film sensors

HORIBA LTD17 citations74
US5234568AAug 10, 1993

Apparatus for simultaneous measurement of a plurality of ionic concentrations

HORIBA LTD17 citations74
US4850105AJul 25, 1989

Method of taking out lead of semiconductor tip part

HORIBA LTD18 citations74
US4797188AJan 10, 1989

Sheet type electrode for use in measurement of ions

HORIBA LTD17 citations74
US4883563ANov 28, 1989

Method of manufacturing a thin glass membrane

HORIBA LTD13 citations72
US5248403ASep 28, 1993

Gelatinized member for use in electrodes measuring ion concentration

HORIBA LTD14 citations69
US4445034AApr 24, 1984

Compound infrared detector

HORIBA LTD11 citations66
US5577840ANov 26, 1996

Method of measuring temperature by use of an infrared sensor

HORIBA LTD5 citations63
US5468514ANov 21, 1995

Method of producing a pH-responsive membrane

HORIBA LTD4 citations63
US4872966AOct 10, 1989

Sheet type electrode for use in the measurement of ion concentrations

HORIBA LTD6 citations62
US4499379AFeb 12, 1985

Infrared radiation gas analyzer

HORIBA LTD5 citations62
US5970163AOct 19, 1999

Process for visually measuring a microbial activity state during real time

HORIBA LTD5 citations61
US5310473AMay 10, 1994

Removable sample testing member for use in measuring ion concentration

HORIBA LTD5 citations60
US5211830AMay 18, 1993

Sheet-type electrode for use in the measurement of ion concentration

HORIBA LTD3 citations60
US5121050AJun 9, 1992

Method of measuring physical properties by super-thin liquid membrane forming mode and interface reaction detection type boisensor by super-thin liquid membrane forming mode

HORIBA LTD0 citations52
US5024951AJun 18, 1991

Method of calibrating a sheet type electrode

HORIBA LTD1 citations52

TDK CORP

8 patents

FUJITSU LTD

6 patents

OKADA MASARU

1 patent