Assignee
UNIVERSAL KK
JP·61 granted patents·8,587 citations·filing 1980–1993
Top patents by PatentIndex Score
61 records- 0199US4556140AMethod and apparatus for discriminating coins or bank notesUNIVERSAL KK·Filed 1983·Granted Dec 3, 1985·294 cites·13 claims
- 0298US5178390AGame machineUNIVERSAL KK·Filed 1992·Granted Jan 12, 1993·919 cites·15 claims
- 0398US4753625ACoin pay-out apparatusUNIVERSAL KK·Filed 1986·Granted Jun 28, 1988·257 cites·3 claims
- 0497US5152529AGame machineUNIVERSAL KK·Filed 1990·Granted Oct 6, 1992·757 cites·15 claims
- 0597US4573681ASlot machine with random number generationUNIVERSAL KK·Filed 1984·Granted Mar 4, 1986·384 cites·12 claims
- 0696US4718672ASlot machineUNIVERSAL KK·Filed 1986·Granted Jan 12, 1988·412 cites·15 claims
- 0796US4669731ASlot machine which pays out upon predetermined number of consecutive lost gamesUNIVERSAL KK·Filed 1986·Granted Jun 2, 1987·824 cites·11 claims
- 0895US4679789AVideo game apparatus with automatic skill level adjustmentUNIVERSAL KK·Filed 1986·Granted Jul 14, 1987·178 cites·6 claims
- 0995US4618150AGame machine with selective stop means for moving displayUNIVERSAL KK·Filed 1985·Granted Oct 21, 1986·371 cites·2 claims
- 1094US4721307ASlot machineUNIVERSAL KK·Filed 1987·Granted Jan 26, 1988·283 cites·5 claims
- 1194US4634126ADevice for converting the amount of a mechanical displacement into electrical signalUNIVERSAL KK·Filed 1985·Granted Jan 6, 1987·80 cites·6 claims
- 1294US4508345ASlot machine with player-friendly bonus gameUNIVERSAL KK·Filed 1983·Granted Apr 2, 1985·167 cites·2 claims
- 1392US4492379AReel type slot machineUNIVERSAL KK·Filed 1982·Granted Jan 8, 1985·137 cites·2 claims
- 1491US4657247AVideo game apparatus with automatically adjusting timing windowUNIVERSAL KK·Filed 1985·Granted Apr 14, 1987·78 cites·4 claims
- 1591US4657256ASlot machine with win/loss biasing meansUNIVERSAL KK·Filed 1986·Granted Apr 14, 1987·227 cites·4 claims
- 1690US4964638AControl apparatus for game machinesUNIVERSAL KK·Filed 1989·Granted Oct 23, 1990·512 cites·13 claims
- 1790US4773647ASlot machine with stop switch enablement after attainment of minimum reel speedUNIVERSAL KK·Filed 1984·Granted Sep 27, 1988·97 cites·3 claims
- 1890US4752069AVideo game which instructs the user how to playUNIVERSAL KK·Filed 1986·Granted Jun 21, 1988·76 cites·7 claims
- 1989US5127651ASlot machineUNIVERSAL KK·Filed 1991·Granted Jul 7, 1992·273 cites·17 claims
- 2088US5074559ASlot machineUNIVERSAL KK·Filed 1990·Granted Dec 24, 1991·242 cites·13 claims
- 2187US5083785AWin control method and apparatus for game machinesUNIVERSAL KK·Filed 1990·Granted Jan 28, 1992·217 cites·14 claims
- 2287US4912389ARotary position detector for stepping motorUNIVERSAL KK·Filed 1988·Granted Mar 27, 1990·61 cites·18 claims
- 2386US5271628ACrane game machineUNIVERSAL KK·Filed 1990·Granted Dec 21, 1993·104 cites·7 claims
- 2486US4772023ASlot machineUNIVERSAL KK·Filed 1987·Granted Sep 20, 1988·145 cites·2 claims
- 2585US4826169ASlot machine with a marker symbolUNIVERSAL KK·Filed 1988·Granted May 2, 1989·252 cites·8 claims
- 2685US4522399ADevice for generating impact sound for slot machineUNIVERSAL KK·Filed 1984·Granted Jun 11, 1985·73 cites·6 claims
- 2784US5024439ASlot machineUNIVERSAL KK·Filed 1990·Granted Jun 18, 1991·155 cites·8 claims
- 2884US4700948ASlot machine with playing card symbolsUNIVERSAL KK·Filed 1985·Granted Oct 20, 1987·120 cites·10 claims
- 2981US4902263ACoin lifting deviceUNIVERSAL KK·Filed 1988·Granted Feb 20, 1990·62 cites·5 claims
- 3077US5010995ASlot machineUNIVERSAL KK·Filed 1987·Granted Apr 30, 1991·81 cites·4 claims
- 3176US4889339ASlot machineUNIVERSAL KK·Filed 1986·Granted Dec 26, 1989·75 cites·4 claims
- 3274US5355988ACoin supply device for coin-operated gaming machineUNIVERSAL KK·Filed 1991·Granted Oct 18, 1994·60 cites·10 claims
- 3374US4993713AGame machineUNIVERSAL KK·Filed 1989·Granted Feb 19, 1991·66 cites·9 claims
- 3474US4367876AScore display apparatus for pinball game machines and display method thereforUNIVERSAL KK·Filed 1980·Granted Jan 11, 1983·41 cites·8 claims
- 3573US4810230ACoin dispenserUNIVERSAL KK·Filed 1987·Granted Mar 7, 1989·43 cites·3 claims
- 3672US5018737ASlot machineUNIVERSAL KK·Filed 1990·Granted May 28, 1991·64 cites·5 claims
- 3770US4534560ASlot machineUNIVERSAL KK·Filed 1983·Granted Aug 13, 1985·29 cites·6 claims
- 3868US4687981AStepping motorUNIVERSAL KK·Filed 1986·Granted Aug 18, 1987·44 cites·10 claims
- 3966US5031911ABall-shooting game machineUNIVERSAL KK·Filed 1990·Granted Jul 16, 1991·26 cites·5 claims
- 4063US4822318ACoin dispenserUNIVERSAL KK·Filed 1986·Granted Apr 18, 1989·24 cites·5 claims
- 4162US4765078AReel assembly for slot machinesUNIVERSAL KK·Filed 1984·Granted Aug 23, 1988·21 cites·9 claims
- 4262US4621815AReel assembly for slot machinesUNIVERSAL KK·Filed 1984·Granted Nov 11, 1986·21 cites·10 claims
- 4361US4821863AToken feed apparatus for slot machinesUNIVERSAL KK·Filed 1987·Granted Apr 18, 1989·30 cites·4 claims
- 4461US4741532AReel drive device for slot machineUNIVERSAL KK·Filed 1983·Granted May 3, 1988·20 cites·1 claims
- 4558US4524636ASlot machine handle locking deviceUNIVERSAL KK·Filed 1983·Granted Jun 25, 1985·15 cites·10 claims
- 4655US4637611ASlot machine with reel position detectorUNIVERSAL KK·Filed 1982·Granted Jan 20, 1987·16 cites·3 claims
- 4754US5467856AGaming machine and method of detecting fraud in the sameUNIVERSAL KK·Filed 1993·Granted Nov 21, 1995·25 cites·24 claims
- 4853US4941840ACircuit board mounting apparatusUNIVERSAL KK·Filed 1988·Granted Jul 17, 1990·18 cites·9 claims
- 4953US4541444ADevice for detecting the amount of coins in hopper deviceUNIVERSAL KK·Filed 1983·Granted Sep 17, 1985·18 cites·7 claims
- 5050US4260156ATarget apparatus for pinball machinesUNIVERSAL KK·Filed 1980·Granted Apr 7, 1981·13 cites·5 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →