Inventor

HATTORI SEIJI

JP13 patents

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

TOKYO ELECTRIC POWER CO

2 patents

US4955082ASep 4, 1990

Mobile communication system

TOKYO ELECTRIC POWER CO107 citations94

US4947452AAug 7, 1990

Mobile communication system

TOKYO ELECTRIC POWER CO54 citations94

HATTORI SEIJI

2 patents

US4795384AJan 3, 1989

Band mounting apparatus for a diving fin

HATTORI SEIJI32 citations90

US4778425AOct 18, 1988

Underwater jacket

HATTORI SEIJI3 citations60

DAIDO STEEL CO LTD

2 patents

US4019232AApr 26, 1977

Ram type steel bar coupling apparatus

DAIDO STEEL CO LTD11 citations73

US4553301ANov 19, 1985

Threadedly fixing apparatus

DAIDO STEEL CO LTD6 citations62

DENSO CORP

2 patents

US7525322B2Apr 28, 2009

Capacitive physical quantity sensor and diagnosis method

DENSO CORP2 citations62

US7015706B2Mar 21, 2006

Semiconductor sensing device using different resistance types

DENSO CORP5 citations62

ASCH CORP

1 patent

US5073926ADec 17, 1991

Picture communication apparatus

ASCH CORP125 citations92

DACOR CORP

1 patent

USD302747SAug 8, 1989

Diving mask

DACOR CORP25 citations92

TOKYO ELECTRICAL CO INC

1 patent

US5040863AAug 20, 1991

Optical isolator

TOKYO ELECTRICAL CO INC41 citations88

APOLLO SPORTS

1 patent

US5940878AAug 24, 1999

Watertight suit

APOLLO SPORTS13 citations72

KYOCERA CORP

1 patent

US10827616B2Nov 3, 2020

Mounting structure

KYOCERA CORP0 citations41