Inventor · disambiguated record

Dong Hwan Song

Also filed as: SONG DONG HWAN

1 granted patent·3 citations·filing 2014–2014

20Inventor score

Technology areasG01C

Files withULSAN NAT INST SCIENCE & TECH UNIST1

Top patents by PatentIndex Score

1 record

0159US9970779B2System and method for providing route guidance service for visually impaired peopleULSAN NAT INST SCIENCE & TECH UNIST·Filed 2014·Granted May 15, 2018·3 cites·5 claims

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