Inventor · disambiguated record
Sumio Sugata
Also filed as: SUGATA SUMIO
2 granted patents·1 pending application·48 citations·filing 1992–2002
63Inventor score
Files withFURUKAWA ELECTRIC CO LTD2
Top patents by PatentIndex Score
3 records- 0188US6650667B2Semiconductor laser apparatus, semiconductor laser module, optical transmitter and wavelength division multiplexing communication systemFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Nov 18, 2003·40 cites·18 claims
- 0240US5375137ASemiconductor laser device featuring group III and IV compounds doped with amphoteric impurity to vary electrical resistance according to direction of crystal planeFURUKAWA ELECTRIC CO LTD·Filed 1992·Granted Dec 20, 1994·8 cites·11 claims
- 0333US2003039277A1Semiconductor laser apparatus and semiconductor laser moduleFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →