Inventor · disambiguated record
Naoto Matsuzawa
Also filed as: MATSUZAWA NAOTO
3 granted patents·42 citations·filing 1997–2005
70Inventor score
Technology areasH04W
Top patents by PatentIndex Score
3 records- 0187US7212830B2Position detection method, position detection system, and position detection server equipmentHITACHI LTD·Filed 2005·Granted May 1, 2007·20 cites·16 claims
- 0253US7266098B2Wireless position measurement method and wireless position measurement systemHITACHI LTD·Filed 2004·Granted Sep 4, 2007·3 cites·12 claims
- 0338US5822697AHybrid cellular radio communication systemHITACHI AMERICA LTD·Filed 1997·Granted Oct 13, 1998·19 cites·6 claims
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