Inventor · disambiguated record
Hisamitsu Yoshikawa
Also filed as: YOSHIKAWA HISAMITSU
7 granted patents·2 pending applications·62 citations·filing 2002–2004
84Inventor score
Files withSEIKO INSTR INC7
Top patents by PatentIndex Score
9 records- 0181US6821014B2Rotating-type bezel apparatus and portable timepiece having rotating-type bezel apparatusSEIKO INSTR INC·Filed 2002·Granted Nov 23, 2004·17 cites·20 claims
- 0278US7192182B2Winding stem pipe with friction ringSEIKO INSTR INC·Filed 2004·Granted Mar 20, 2007·14 cites·20 claims
- 0373US7111977B2Portable watchSEIKO INSTR INC·Filed 2004·Granted Sep 26, 2006·11 cites·13 claims
- 0467US7357569B2Crown lock structure and timepiece having crown lock structureSEIKO INSTR INC·Filed 2004·Granted Apr 15, 2008·9 cites·12 claims
- 0560US6886975B2WatchSEIKO INSTR INC·Filed 2003·Granted May 3, 2005·6 cites·4 claims
- 0654US7052173B2TimepieceSEIKO INSTR INC·Filed 2004·Granted May 30, 2006·3 cites·4 claims
- 0750US7118270B2Portable watchSEIKO INSTR INC·Filed 2004·Granted Oct 10, 2006·2 cites·13 claims
- 0842US2003137903A1Portable timepieceFiled 2003·Application pending·0 cites
- 0940US2003147312A1Portable timepieceFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →