Inventor · disambiguated record
Hiroshi Yasaka
Also filed as: YASAKA HIROSHI
4 granted patents·1 pending application·42 citations·filing 1990–2021
70Inventor score
Top patents by PatentIndex Score
5 records- 0163US11539185B2Laser apparatusDENSO CORP·Filed 2021·Granted Dec 27, 2022·0 cites·14 claims
- 0257US5155737ASemiconductor wavelength conversion deviceNIPPON TELEGRAPH & TELEPHONE·Filed 1991·Granted Oct 13, 1992·26 cites·21 claims
- 0353US11881677B2Laser light sourceDENSO CORP·Filed 2021·Granted Jan 23, 2024·0 cites·17 claims
- 0447US5025448AMethod and apparatus for stabilizing frequency of semiconductor laserNIPPON TELEGRAPH & TELEPHONE·Filed 1990·Granted Jun 18, 1991·16 cites·20 claims
- 0537US2007041415A1Wavelength tunable distributed bragg reflector (dbr) laserNIPPON TELEGRAPH & TELEPHONE·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →