P

Inventor

TOBITA TOMOYUKI

JP23 patents
⚠️ This page may combine multiple inventors who share the name “TOBITA TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

17 patents
US5469749ANov 28, 1995

Multiple-function fluid measuring and transmitting apparatus

HITACHI LTD214 citations99
US6016706AJan 25, 2000

Process state detector, semiconductor sensor and display device for displaying a process state used therefor

HITACHI LTD67 citations96
US5259248ANov 9, 1993

Integrated multisensor and static and differential pressure transmitter and plant system using the integrated multisensor

HITACHI LTD84 citations96
US5554809ASep 10, 1996

Process detection apparatus

HITACHI LTD108 citations95
US5677493AOct 14, 1997

Composite condition detection apparatus for detecting static pressure, differential pressure and temperature of a process

HITACHI LTD22 citations92
US5528940AJun 25, 1996

Process condition detecting apparatus and semiconductor sensor condition detecting circuit

HITACHI LTD21 citations92
US5412992AMay 9, 1995

Differential pressure sensor capable of removing influence of static pressure and a method of assembling the same

HITACHI LTD37 citations92
US5257546ANov 2, 1993

Pressure measuring sensor

HITACHI LTD26 citations92
US4972716ANov 27, 1990

Semiconductor pressure converting device

HITACHI LTD32 citations92
US5635649AJun 3, 1997

Multi-function differential pressure sensor with thin supporting base

HITACHI LTD34 citations91
US5531120AJul 2, 1996

Compact differential pressure transmitter having first and second damper chambers

HITACHI LTD30 citations89
US6580067B1Jun 17, 2003

Sample analyzing monitor and combustion control system using the same

HITACHI LTD17 citations84
US5477738ADec 26, 1995

Multi-function differential pressure sensor with thin stationary base

HITACHI LTD16 citations81
US5672826ASep 30, 1997

Semiconductor pressure sensor

HITACHI LTD6 citations74
US4995266AFeb 26, 1991

Differential pressure transmitter

HITACHI LTD16 citations74
US4546653AOct 15, 1985

Semiconductor differential pressure transducer

HITACHI LTD12 citations74
US5621175AApr 15, 1997

Differential pressure transmitter having symmetrical construction

HITACHI LTD4 citations62

HITACHI HIGH TECH CORP

3 patents

KK RIKEN

3 patents