Inventor
ITO TOMOTAKA
JP12 patents
⚠️ This page may combine multiple inventors who share the name “ITO TOMOTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
7 patentsUS6464367B2Oct 15, 2002
Surface light source system
SONY CORP83 citations97
US6172814B1Jan 9, 2001
Plano lens, rear-projection type projector screen employing the same, and rear-projection type video display apparatus
SONY CORP51 citations96
US6261402B1Jul 17, 2001
Planar type lens manufacturing method
SONY CORP54 citations92
US6262840B1Jul 17, 2001
Plano lens, rear-projection type projector screen employing the same, and rear-projection type video display apparatus
SONY CORP33 citations92
US6096159AAug 1, 2000
Method of manufacturing plano lens
SONY CORP31 citations92
US6471814B2Oct 29, 2002
Method of manufacturing plano lens
SONY CORP6 citations73
US6342121B1Jan 29, 2002
Method of manufacturing plano lens
SONY CORP12 citations73
MITSUBISHI ELECTRIC CORP
5 patentsUS5068777ANov 26, 1991
Pulse width modulation type inverter having temperature compensation
MITSUBISHI ELECTRIC CORP80 citations95
US4716513ADec 29, 1987
Base drive circuit in a transistor inverter
MITSUBISHI ELECTRIC CORP9 citations73
US5497065AMar 5, 1996
Inverter operation command process
MITSUBISHI ELECTRIC CORP3 citations62
US4672285AJun 9, 1987
Inverter control circuit
MITSUBISHI ELECTRIC CORP4 citations62
US4654773AMar 31, 1987
Inverter control circuit
MITSUBISHI ELECTRIC CORP6 citations62