Inventor
TSUNODA HARUHIKO
JP4 patents
Patents
4 patentsUS5884280AMar 16, 1999
System for and method of distributing proceeds from contents
FUJITSU LTD193 citations96
US5761308AJun 2, 1998
System for refunding payment for software
FUJITSU LTD74 citations95
US5918215AJun 29, 1999
Content sales price accounting system and accounting method thereof
FUJITSU LTD63 citations93
US7016878B2Mar 21, 2006
Content sales period verifying system and content decryption key effective period verifying system
FUJITSU LTD8 citations71