Yuji Nagao

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Patents Grantslast 30 patents

Information Patent Grant
Race game device
- Patent number 7,273,414
- Issue date Sep 25, 2007
- Sega Enterprises, Ltd.
- Yuji Nagao
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Race game device
- Patent number 6,394,898
- Issue date May 28, 2002
- Sega Enterprises Ltd.
- Yuji Nagao
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Gaming system that pays out a progressive bonus using a lottery
- Patent number 5,645,486
- Issue date Jul 8, 1997
- Sega Enterprises, Ltd.
- Yuji Nagao
- G07 - CHECKING-DEVICES
Information Patent Grant
Slot machine with payout modifying symbols
- Patent number 5,423,539
- Issue date Jun 13, 1995
- Sigma, Incorporated
- Yuji Nagao
- G07 - CHECKING-DEVICES
Information Patent Grant
Clot machine
- Patent number 5,209,479
- Issue date May 11, 1993
- Sigma, Incorporated
- Yuji Nagao
- G07 - CHECKING-DEVICES
Information Patent Grant
Slot machine
- Patent number 5,050,881
- Issue date Sep 24, 1991
- Sigma, Incorporated
- Yuji Nagao
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
Race game device
- Publication number 20020165017
- Publication date Nov 7, 2002
- Yuji Nagao
- A63 - SPORTS GAMES AMUSEMENTS