Inventor · disambiguated record
Shuichi Hirosawa
Also filed as: HIROSAWA SHUICHI
4 granted patents·30 citations·filing 2000–2005
71Inventor score
Technology areasG11B
Files withSONY CORP4
Top patents by PatentIndex Score
4 records- 0183US6430143B1Optical pickup device and optical disc recording and/or reproducing apparatusSONY CORP·Filed 2000·Granted Aug 6, 2002·26 cites·16 claims
- 0269US7012868B2Adjustment optical disc for optical pick-up, adjustment method for optical pick-up, and adjustment apparatus for optical pick-upSONY CORP·Filed 2005·Granted Mar 14, 2006·1 cites·8 claims
- 0360US7006410B2Optical disk for adjusting optical pickup, method for adjusting optical pickup, and device for adjusting optical pickupSONY CORP·Filed 2000·Granted Feb 28, 2006·3 cites·34 claims
- 0454US7020059B2Adjustment optical disc for optical pick-up, adjustment method for optical pick-up, and adjustment apparatus for optical pick-upSONY CORP·Filed 2005·Granted Mar 28, 2006·0 cites·2 claims
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