Inventor · disambiguated record
Hajime Yoshikawa
Also filed as: YOSHIKAWA HAJIME
4 granted patents·1 pending application·98 citations·filing 1991–2009
79Inventor score
Top patents by PatentIndex Score
5 records- 0189US7999167B2Music composition reproduction device and composite device including the sameSONY COMPUTER ENTERTAINMENT INC·Filed 2009·Granted Aug 16, 2011·14 cites·3 claims
- 0289US7592534B2Music composition reproduction device and composite device including the sameSONY COMPUTER ENTERTAINMENT INC·Filed 2005·Granted Sep 22, 2009·31 cites·26 claims
- 0371US7514622B2Musical sound production apparatus and musicalSONY COMPUTER ENTERTAINMENT INC·Filed 2005·Granted Apr 7, 2009·9 cites·6 claims
- 0461US5247455AMethod of verifying wiring layoutSHARP KK·Filed 1991·Granted Sep 21, 1993·44 cites·12 claims
- 0529US2003003862A1Electronic component and mobile communication device using the electronic componentFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →