Inventor · disambiguated record
Ryuzo Iga
Also filed as: IGA RYUZO
10 granted patents·98 citations·filing 1989–2005
89Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE10
Top patents by PatentIndex Score
10 records- 0186US6815786B2Semiconductor optical device and method of manufacturing the sameNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Nov 9, 2004·25 cites·9 claims
- 0283US7701993B2Semiconductor optical device and a method of fabricating the sameNIPPON TELEGRAPH & TELEPHONE·Filed 2005·Granted Apr 20, 2010·8 cites·4 claims
- 0383US7060518B2Semiconductor optical device and the fabrication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2005·Granted Jun 13, 2006·6 cites·1 claims
- 0483US6717187B2Semiconductor optical device and the fabrication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Apr 6, 2004·16 cites·6 claims
- 0563US6990131B2Semiconductor optical device and method of manufacturing the sameNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Jan 24, 2006·7 cites·12 claims
- 0662US6692837B2Semi-insulating substrate, semiconductor optical device and fabrication method of semiconductor thin filmNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Feb 17, 2004·8 cites·5 claims
- 0760US6982469B2Semiconductor optical device and the fabrication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Jan 3, 2006·4 cites·4 claims
- 0856US7355778B2Semiconductor optical modulatorNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Apr 8, 2008·5 cites·14 claims
- 0940US5186750AMethod and apparatus for forming semiconductor thin filmsNIPPON TELEGRAPH & TELEPHONE·Filed 1989·Granted Feb 16, 1993·11 cites·5 claims
- 1034US5273932AMethod for forming semiconductor thin films where an argon laser is used to suppress crystal growthNIPPON TELEGRAPH & TELEPHONE·Filed 1992·Granted Dec 28, 1993·8 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →