Inventor · disambiguated record
Tsutomu Nagumo
Also filed as: NAGUMO TSUTOMU
6 granted patents·9 citations·filing 2007–2016
72Inventor score
Top patents by PatentIndex Score
6 records- 0171US8634587B2Acoustic conversion deviceNAGUMO TSUTOMU·Filed 2011·Granted Jan 21, 2014·4 cites·7 claims
- 0256US8948439B2Acoustic conversion device and acoustic conversion device assembly methodNAGUMO TSUTOMU·Filed 2011·Granted Feb 3, 2015·1 cites·13 claims
- 0356US8630439B2Acoustic conversion device and acoustic conversion device assembly methodNAGUMO TSUTOMU·Filed 2011·Granted Jan 14, 2014·1 cites·6 claims
- 0450US8204476B2Portable telephone and electronic deviceMORIMOTO JUNJI·Filed 2007·Granted Jun 19, 2012·3 cites·31 claims
- 0540US8588456B2Acoustic conversion deviceNAGUMO TSUTOMU·Filed 2011·Granted Nov 19, 2013·0 cites·8 claims
- 0627US10993037B2Acoustic converter and sound output deviceSONY CORP·Filed 2016·Granted Apr 27, 2021·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →