P

Inventor

ANDO HITOSHI

JP52 patents
⚠️ This page may combine multiple inventors who share the name “ANDO HITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PIONEER ELECTRONIC CORP

17 patents
US5036329AJul 30, 1991

GPS satellite signal tracking method for GPS receivers

PIONEER ELECTRONIC CORP146 citations99
US5179519AJan 12, 1993

Navigation system for vehicle

PIONEER ELECTRONIC CORP141 citations98
US4890233ADec 26, 1989

Vehicle bearing detection and data processing methods applicable to vehicle navigation system

PIONEER ELECTRONIC CORP195 citations98
US4924402AMay 8, 1990

Method for identifying current position of vehicle

PIONEER ELECTRONIC CORP125 citations97
US5177490AJan 5, 1993

Gps satellite signal tracking system for gps receivers

PIONEER ELECTRONIC CORP104 citations96
US4983980AJan 8, 1991

Satellite radio signal tracking method for GPS receivers

PIONEER ELECTRONIC CORP68 citations96
US4837700AJun 6, 1989

Method and apparatus for processing data in a GPS receiving device in a road vehicle

PIONEER ELECTRONIC CORP119 citations96
US4831563AMay 16, 1989

Method of processing output data from geomagnetic sensor

PIONEER ELECTRONIC CORP101 citations96
US5155491AOct 13, 1992

Satellite radio signal tracking method for gps receivers

PIONEER ELECTRONIC CORP36 citations93
US4903211AFeb 20, 1990

On-board navigation system for motor vehicles

PIONEER ELECTRONIC CORP38 citations93
US4891760AJan 2, 1990

On-board navigation system for motor vehicles

PIONEER ELECTRONIC CORP36 citations93
US5222245AJun 22, 1993

Gps receiver

PIONEER ELECTRONIC CORP41 citations92
US5059969AOct 22, 1991

Gps satellite signal tracking method for gps receivers

PIONEER ELECTRONIC CORP25 citations92
US4965574AOct 23, 1990

Variable-brightness display for use in a navigation system for a vehicle

PIONEER ELECTRONIC CORP43 citations92
US4807157AFeb 21, 1989

Method of displaying a map

PIONEER ELECTRONIC CORP32 citations92
US5752219AMay 12, 1998

Navigation apparatus for vehicles

PIONEER ELECTRONIC CORP13 citations72
US5598339AJan 28, 1997

Navigation apparatus for vehicles

PIONEER ELECTRONIC CORP6 citations72

SHINETSU POLYMER CO

6 patents

JAPAN SERVO

4 patents

ANDO HITOSHI

3 patents

SEIKO INSTR INC

3 patents

SHIN ETSU POLYMER CO LTD

3 patents

ISHIHARA SANGYO KAISHA

2 patents

CASIO COMPUTER CO LTD

2 patents

ESPEC CORP

2 patents

SANYO ELECTRIC CO

1 patent

SUMITOMO HEAVY IND ION TECH CO LTD

1 patent

SEIKO CORP

1 patent

SEN CORP

1 patent

SEIKO KABUSHIKI KAISHA

1 patent

SEIKO CO LTD

1 patent

ISHIHARA MINING & CHEMICAL CO

1 patent

PIONEER CORP

1 patent

Showing the top 50 of 52 patents by PatentIndex Score.