Inventor · disambiguated record
Hajime Ishizuka
Also filed as: ISHIZUKA HAJIME
2 granted patents·6 citations·filing 2003–2004
44Inventor score
Technology areasG11B
Top patents by PatentIndex Score
2 records- 0161US6999090B2Data processing apparatus, data processing method, information storing medium, and computer programSONY CORP·Filed 2003·Granted Feb 14, 2006·6 cites·14 claims
- 0237US7764300B2Optical recording medium and data recording devicePIONEER CORP·Filed 2004·Granted Jul 27, 2010·0 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →