Inventor

OYAMA KOUICHI

JP4 patents

⚠️ This page may combine multiple inventors who share the name “OYAMA KOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ISHIHARA TSUNEKAZU

2 patents

US7731194B2Jun 8, 2010

Game piece and method of playing game using same

ISHIHARA TSUNEKAZU8 citations79

US8668562B2Mar 11, 2014

Game piece and method of playing game using same

ISHIHARA TSUNEKAZU0 citations47

SONY CORP

2 patents

US5862296AJan 19, 1999

Information signal reproducing apparatus

SONY CORP6 citations68

US6314233B1Nov 6, 2001

Information signal reproducing apparatus

SONY CORP2 citations57