Seiichi Yamagata

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image processing device, image processing method and recording medium
- Patent number 6,958,751
- Issue date Oct 25, 2005
- Kabushiki Kaisha Sega Enterprises
- Yoshifusa Hayama
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Image processing device, image processing method and recording medium
- Patent number 6,738,067
- Issue date May 18, 2004
- Kabushiki Kaisha Sega Enterprises
- Yoshifusa Hayama
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Image processing device, image processing method and recording medium
- Patent number 6,343,987
- Issue date Feb 5, 2002
- Kabushiki Kaisha Sega Enterprises
- Yoshifusa Hayama
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Image processing device, image processing method and recording medium
- Publication number 20010033282
- Publication date Oct 25, 2001
- Kabushiki Kaisha Sega Enterprises.
- Yoshifusa Hayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD AND RECORDING MEDIUM
- Publication number 20010034255
- Publication date Oct 25, 2001
- YOSHIFUSA HAYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing device, image processing method and recording medium
- Publication number 20010000779
- Publication date May 3, 2001
- Kabushiki Kaisha Sega Enterprises.
- Yoshifusa Hayama
- G06 - COMPUTING CALCULATING COUNTING