Inventor · disambiguated record
Shoichi Nagao
Also filed as: NAGAO SHOICHI
9 granted patents·1 pending application·96 citations·filing 1980–2013
87Inventor score
Top patents by PatentIndex Score
10 records- 0186US7377705B2Printing device driven by a mechanical energy storage deviceSEIKO EPSON CORP·Filed 2005·Granted May 27, 2008·8 cites·20 claims
- 0282US4939707AElectronic wristwatch with generatorSEIKO EPSON CORP·Filed 1989·Granted Jul 3, 1990·46 cites·23 claims
- 0377US7922385B2Piezoelectric drive device and electronic deviceSEIKO EPSON CORP·Filed 2008·Granted Apr 12, 2011·9 cites·17 claims
- 0469US9823624B2Method for producing timepiece spring, device for producing timepiece spring, timepiece spring, and timepieceSEIKO EPSON CORP·Filed 2013·Granted Nov 21, 2017·2 cites·7 claims
- 0566US6763915B2Mainspring mechanism and device having the sameSEIKO EPSON CORP·Filed 2001·Granted Jul 20, 2004·14 cites·7 claims
- 0661US7859949B2TimepieceSEIKO EPSON CORP·Filed 2009·Granted Dec 28, 2010·3 cites·7 claims
- 0761US4319351ASwitch structure for a timepieceSUWA SEIKOSHA KK·Filed 1980·Granted Mar 9, 1982·12 cites·15 claims
- 0859US7798734B2Printing deviceSEIKO EPSON CORP·Filed 2008·Granted Sep 21, 2010·1 cites·10 claims
- 0955US7221525B2Drive apparatus, lens unit, and cameraSEIKO EPSON CORP·Filed 2005·Granted May 22, 2007·1 cites·16 claims
- 1040US2004236233A1Information-gathering device and pulse meterSEIKO EPSON CORP·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Shoichi Nagao files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →