Inventor
SERIZAWA HIROYUKI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “SERIZAWA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOITO MFG CO LTD
7 patentsUS4733335AMar 22, 1988
Vehicular lamp
KOITO MFG CO LTD795 citations95
US6000816ADec 14, 1999
Vehicle head lamp
KOITO MFG CO LTD30 citations92
US6062714AMay 16, 2000
Vehicle headlight
KOITO MFG CO LTD11 citations74
US5299101AMar 29, 1994
Discharge-type headlamp having reduced glare
KOITO MFG CO LTD15 citations73
US4945453AJul 31, 1990
Vehicular headlamp
KOITO MFG CO LTD8 citations71
US5671995ASep 30, 1997
Headlamp for motor vehicles
KOITO MFG CO LTD10 citations70
US5902036AMay 11, 1999
Lamp device for a vehicle
KOITO MFG CO LTD3 citations63
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
6 patentsUS4498730AFeb 12, 1985
Optical switching device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD122 citations96
US4304460ADec 8, 1981
Optical switching device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD67 citations95
US4710936ADec 1, 1987
Optoelectronic semiconductor device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US4843031AJun 27, 1989
Method of fabricating compound semiconductor laser using selective irradiation
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations88
US4899360AFeb 6, 1990
Semiconductor laser device having monolithically formed active and passive cavities on the same substrate
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations74
US3985918AOct 12, 1976
Method for manufacturing a target for an image pickup tube
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations59