;  US6664169-B1 -- EP793263-A2   CANON KK (CANO)   SAKAGUCHI K,  YONEHARA T;  EP840381-A2   SONY CORP (SONY)   MATSUSHITA T,  NAKAGOE M,  WESTWATER J,  KUSUNOKI M,  YAMAUCHI K;  EP989616-A2   CANON KK (CANO)   IWANE M,  YONEHARA T,  OHMI K,  NISHIDA S,  SAKAGUCHI K,  YANAGITA K;  JP07302889-A   ;  JP08213645-A   ;  JP10190032-A   SONY CORP (SONY)   MATSUSHITA T,  NAKAGOE M,  WESTWATER J,  KUSUNOKI M,  YAMAUCHI K;  US5565084-A   KUNIX COMPUTER KK (KUNI-Non-standard)   LEE H,  LEE H D,  LEE J D,  YOON B,  HAN C H,  KIM C K,  SEO D W;  US5811348-A   SONY CORP (SONY)   MATSUSHITA T,  INAKANAKA H;  US5856229-A   CANON KK (CANO)   SAKAGUCHI K,  YONEHARA T;  US6376332-B1   CANON KK (CANO);  US6428620-B1   CANON KK (CANO)   YAMAGATA K,  SAKAGUCHI K;  JP3542521-B2 -- JP07302889-A   ;  JP08213645-A   ;  JP09027605-A   ;  JP10326759-A   CANON KK (CANO)   IWANE M,  YONEHARA T;  US6818104-B2 -- EP793263-A2   CANON KK (CANO)   SAKAGUCHI K,  YONEHARA T;  EP840381-A2   SONY CORP (SONY)   MATSUSHITA T,  NAKAGOE M,  WESTWATER J,  KUSUNOKI M,  YAMAUCHI K;  EP989616-A2   CANON KK (CANO)   IWANE M,  YONEHARA T,  OHMI K,  NISHIDA S,  SAKAGUCHI K,  YANAGITA K;  JP07302889-A   ;  JP08213645-A   ;  JP10190032-A   SONY CORP (SONY)   MATSUSHITA T,  NAKAGOE M,  WESTWATER J,  KUSUNOKI M,  YAMAUCHI K;  US5565084-A   KUNIX COMPUTER KK (KUNI-Non-standard)   LEE H,  LEE H D,  LEE J D,  YOON B,  HAN C H,  KIM C K,  SEO D W;  US5811348-A   SONY CORP (SONY)   MATSUSHITA T,  INAKANAKA H;  US5856229-A   CANON KK (CANO)   SAKAGUCHI K,  YONEHARA T;  US6143628-A   CANON KK (CANO)   SATO N,  YONEHARA T,  SAKAGUCHI K;  US6190937-B1   CANON KK (CANO)   KATSUMI N,  TAKAO Y,  SHOJI N,  SAKAGUCHI K;  US6194239-B1   SONY CORP (SONY)   TAYANAKA H;  US6211038-B1   CANON KK (CANO)   NAKAGAWA K,  NISHIDA A,  IWASAKI Y,  SAKAGUCHI K,  YONEHARA T;  US6214701-B1   SONY CORP (SONY)   MATSUSHITA T,  KUSUNOKI M,  TATSUMI T;  US6221738-B1   CANON KK (CANO)   SAKAGUCHI K,  SATO N;  US6258698-B1   ;  US6306729-B1   CANON KK (CANO)   SAKAGUCHI K,  YONEHARA T;  US6331208-B1   CANON KK (CANO)   NISHIDA A,  IWANE M,  SAKAGUCHI K,  YONEHARA T;  US6376332-B1   CANON KK (CANO);  US6382292-B1   CANON KK (CANO)   OHMI K,  YONEHARA T,  SAKAGUCHI K,  YANAGITA K;  US6387227-B1   ;  US6391743-B1   CANON KK (CANO)   IWANE M,  YONEHARA T,  OHMI K,  NISHIDA S,  SAKAGUCHI K,  YANAGITA K;  US6428620-B1   CANON KK (CANO)   YAMAGATA K,  SAKAGUCHI K;  US6613678-B1   CANON KK (CANO)   SAKAGUCHI K,  YONEHARA T,  SATO N