Inventor · disambiguated record
Haruhisa Tamai
Also filed as: TAMAI HARUHISA
19 granted patents·2,448 citations·filing 1992–1997
97Inventor score
Files withZEXEL CORP10VISTEON TECH LLC5ZEXEL CORP DAIHATSU NISSAN1ZEXEL CORP DAIHATSU NISSAN IKE1ZEXEL CORP DIAHATSU NISSAN IKE1
Top patents by PatentIndex Score
19 records- 0198US5608635ANavigation system for a vehicle with route recalculation between multiple locationsZEXEL CORP·Filed 1994·Granted Mar 4, 1997·340 cites·27 claims
- 0296US5938720ARoute generation in a vehicle navigation systemVISTEON TECH LLC·Filed 1997·Granted Aug 17, 1999·270 cites·30 claims
- 0395US5311434AVehicle navigation systemZEXEL CORP·Filed 1992·Granted May 10, 1994·166 cites·9 claims
- 0494US5291412ANavigation systemZEXEL CORP·Filed 1992·Granted Mar 1, 1994·132 cites·15 claims
- 0591US5515283AMethod for identifying highway access ramps for route calculation in a vehicle navigation systemZEXEL CORP·Filed 1994·Granted May 7, 1996·114 cites·12 claims
- 0691US5262775ANavigation system with off-route detection and route recalculationZEXEL CORP·Filed 1992·Granted Nov 16, 1993·110 cites·7 claims
- 0790US5928307AMethod and apparatus for determining an alternate route in a vehicle navigation systemVISTEON TECH LLC·Filed 1997·Granted Jul 27, 1999·144 cites·16 claims
- 0889US5291413ANavigation system for guiding a vehicle along a precomputed optimal routeZEXEL CORP DAIHATSU NISSAN IKE·Filed 1992·Granted Mar 1, 1994·114 cites·25 claims
- 0988US5712788AIncremental route calculationZEXEL CORP·Filed 1995·Granted Jan 27, 1998·154 cites·14 claims
- 1088US5303159ANavigation system with off-route detection and route recalculationZEXEL CORP DAIHATSU NISSAN·Filed 1992·Granted Apr 12, 1994·94 cites·12 claims
- 1186US5291414ANavigation system for guiding a vehicle along a precomputed optimal routeZEXEL CORP DIAHATSU NISSAN IKE·Filed 1992·Granted Mar 1, 1994·87 cites·11 claims
- 1284US5904728AVoice guidance timing in a vehicle navigation systemVISTEON TECH LLC·Filed 1996·Granted May 18, 1999·125 cites·14 claims
- 1384US5731978AMethod and apparatus for enhancing vehicle navigation through recognition of geographical region typesZEXEL CORP·Filed 1995·Granted Mar 24, 1998·112 cites·31 claims
- 1483US5654892ANavigation system displaying forthcoming turnsZEXEL USA CORP·Filed 1995·Granted Aug 5, 1997·166 cites·17 claims
- 1582US5902350AGenerating a maneuver at the intersection through a turn laneVISTEON TECH LLC·Filed 1996·Granted May 11, 1999·90 cites·17 claims
- 1676US5832408AMethod and apparatus for selecting a destination in a vehicle navigation systemZEXEL CORP·Filed 1997·Granted Nov 3, 1998·60 cites·6 claims
- 1775US5680312AMethod and apparatus for selecting a destination in a vehicle navigation systemZEXEL CORP·Filed 1995·Granted Oct 21, 1997·63 cites·29 claims
- 1874US5819200AMethod and apparatus for selecting a destination in a vehicle navigation systemZEXEL CORP·Filed 1996·Granted Oct 6, 1998·54 cites·15 claims
- 1973US5987375AMethod and apparatus for selecting a destination in a vehicle navigation systemVISTEON TECH LLC·Filed 1996·Granted Nov 16, 1999·53 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →