Inventor · disambiguated record
Masaki Akagawa
Also filed as: AKAGAWA MASAKI
19 granted patents·586 citations·filing 1980–1990
96Inventor score
Top patents by PatentIndex Score
19 records- 0191US4678072ABill validating and accumulating deviceNIPPON COINCO CO LTD·Filed 1984·Granted Jul 7, 1987·174 cites·7 claims
- 0285US4374557ACoin changer for a vending machineNIPPON COINCO CO LTD·Filed 1980·Granted Feb 22, 1983·94 cites·4 claims
- 0382US4376479ATotal sales indication device for a vending machineNIPPON COINCO CO LTD·Filed 1980·Granted Mar 15, 1983·56 cites·9 claims
- 0479USD288377SBill validatorKK NIPPON COINCO·Filed 1984·Granted Feb 17, 1987·15 cites·1 claims
- 0573US4499982AVend possible judgement device for a vending machineNIPPON COINCO CO LTD·Filed 1982·Granted Feb 19, 1985·34 cites·12 claims
- 0668US4556139ABill accepting deviceNIPPON COINCO CO LTD·Filed 1983·Granted Dec 3, 1985·27 cites·13 claims
- 0766US4850468AMoney discriminating apparatusNIPPON CONLUX CO LTD·Filed 1988·Granted Jul 25, 1989·40 cites·16 claims
- 0859US4347925AMalfunction indication device for a vending machineNIPPON COINCO CO LTD·Filed 1980·Granted Sep 7, 1982·18 cites·6 claims
- 0958US4749076ABill acceptance control methodNIPPON COINCO CO LTD·Filed 1986·Granted Jun 7, 1988·28 cites·4 claims
- 1057US4850469ACoin separatorNIPPON CONLUX CO LTD·Filed 1987·Granted Jul 25, 1989·21 cites·7 claims
- 1154US4706202AControl system of a vending machineNIPPON COINCO CO LTD·Filed 1985·Granted Nov 10, 1987·21 cites·6 claims
- 1250US4658125AGift coupon detectable by bill sorterNIPPON COINCO CO LTD·Filed 1985·Granted Apr 14, 1987·16 cites·10 claims
- 1349US5099515ASecrecy device for wiretapping prevention and detectionNIPPON CONLUX CO LTD·Filed 1990·Granted Mar 24, 1992·17 cites·5 claims
- 1449USD292008SCoin selector for automatic vendorKK NIPPON COINCO·Filed 1984·Granted Sep 22, 1987·4 cites·1 claims
- 1548USD293454SRegulator of coin selector for automatic vendorKK NIPPON COINCO·Filed 1984·Granted Dec 29, 1987·4 cites·1 claims
- 1645US4376478AControl device for a vending machine including system for confirming vendibility of selected articlesNIPPON COINCO CO LTD·Filed 1980·Granted Mar 15, 1983·8 cites·9 claims
- 1737USD288378SBill validatorKK NIPPON COINCO·Filed 1984·Granted Feb 17, 1987·1 cites·1 claims
- 1831US5078251ACoin selecting apparatusNIPPON CONLUX CO LTD·Filed 1989·Granted Jan 7, 1992·4 cites·22 claims
- 1926US4364404AInventory device in automatic vending machineNIPPON COICNO KK·Filed 1980·Granted Dec 21, 1982·4 cites·4 claims
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