Inventor · disambiguated record
Kazuharu Hasegawa
Also filed as: HASEGAWA KAZUHARU
3 granted patents·264 citations·filing 1996–1996
77Inventor score
Files withFUJITSU LTD3
Top patents by PatentIndex Score
3 records- 0169US5884280ASystem for and method of distributing proceeds from contentsFUJITSU LTD·Filed 1996·Granted Mar 16, 1999·193 cites·17 claims
- 0248US5918215AContent sales price accounting system and accounting method thereofFUJITSU LTD·Filed 1996·Granted Jun 29, 1999·63 cites·9 claims
- 0332US7016878B2Content sales period verifying system and content decryption key effective period verifying systemFUJITSU LTD·Filed 1996·Granted Mar 21, 2006·8 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →