Inventor · disambiguated record
Masaharu Shirasawa
Also filed as: SHIRASAWA MASAHARU
6 granted patents·1 pending application·181 citations·filing 1987–2004
84Inventor score
Top patents by PatentIndex Score
7 records- 0181US4902263ACoin lifting deviceUNIVERSAL KK·Filed 1988·Granted Feb 20, 1990·62 cites·5 claims
- 0274US5355988ACoin supply device for coin-operated gaming machineUNIVERSAL KK·Filed 1991·Granted Oct 18, 1994·60 cites·10 claims
- 0373US4810230ACoin dispenserUNIVERSAL KK·Filed 1987·Granted Mar 7, 1989·43 cites·3 claims
- 0464US6886380B2Locking device, locker, key and locking methodKONAMI CORP·Filed 2002·Granted May 3, 2005·12 cites·10 claims
- 0550US2004159135A1Locking device, locker, key and locking methodKONAMI CORP·Filed 2004·Application pending·0 cites
- 0639US6981913B2Gaming token payout apparatusKONAMI CORP·Filed 2002·Granted Jan 3, 2006·1 cites·32 claims
- 0731US4802380AHandle control for a slot machineUNIVERSAL KK·Filed 1987·Granted Feb 7, 1989·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →