Inventor · disambiguated record
Yoji Matsuoka
Also filed as: MATSUOKA YOJI
7 granted patents·361 citations·filing 1984–2006
88Inventor score
Top patents by PatentIndex Score
7 records- 0194US5311173ANavigation system and method using map dataHITACHI LTD·Filed 1991·Granted May 10, 1994·168 cites·35 claims
- 0290US6952643B2Road traffic information output apparatusZANAVY INFORMATICS KK·Filed 2002·Granted Oct 4, 2005·62 cites·6 claims
- 0389US4679147ANavigation system with capability of instructing running directionHITACHI LTD·Filed 1985·Granted Jul 7, 1987·81 cites·7 claims
- 0486US7788028B2Navigation systemZANAVY INFORMATICS KK·Filed 2006·Granted Aug 31, 2010·25 cites·4 claims
- 0567US4635202ANavigation apparatus for automobileHITACHI LTD·Filed 1984·Granted Jan 6, 1987·18 cites·4 claims
- 0663US7512483B2Navigation systemZANAVY INFORMATICS KK·Filed 2006·Granted Mar 31, 2009·5 cites·14 claims
- 0756US7577518B2Navigation systemZANAVY INFORMATICS KK·Filed 2006·Granted Aug 18, 2009·2 cites·8 claims
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