Inventor · disambiguated record

Masato Tsujinaka

Also filed as: TSUJINAKA MASATO

1 granted patent·1 pending application·7 citations·filing 1991–2005

29Inventor score

Technology areasG03B G11B

Files withSONY CORP2

Top patents by PatentIndex Score

2 records

0146US5371633AMechanism for detecting a rotation amount of a diaphragm for use in optical systemsSONY CORP·Filed 1991·Granted Dec 6, 1994·7 cites·13 claims
0234US2005226126A1Optical pick-up and optical recording medium recording/reproduction apparatusSONY CORP·Filed 2005·Application pending·0 cites

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