Takanori Akiyama

Follow

Person

Tokyo, JP

People

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
Ball game machine with a roulette-type rotary disk and a display lo...
- Patent number 5,879,235
- Issue date Mar 9, 1999
- Sega Enterprises, Ltd.
- Makoto Kaneko
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

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