Inventor · disambiguated record
Tsutomu Yanagawa
Also filed as: YANAGAWA TSUTOMU
4 granted patents·2 pending applications·27 citations·filing 2004–2007
71Inventor score
Top patents by PatentIndex Score
6 records- 0190US7573921B2Laser light sourceNIPPON TELEGRAPH & TELEPHONE·Filed 2007·Granted Aug 11, 2009·16 cites·7 claims
- 0271US7391795B2Laser light sourceNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Jun 24, 2008·9 cites·51 claims
- 0361US7940451B2Wavelength converter and wavelength conversion apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2007·Granted May 10, 2011·2 cites·12 claims
- 0445US2009303486A1Light source and gas measuring deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2007·Application pending·0 cites
- 0539US2009022903A1Method for manufacturing a periodically-poled structureNIPPON TELEGRAPH & TELEPHONE·Filed 2006·Application pending·0 cites
- 0634US7729585B2Light source apparatus with modulation function and its driving methodNIPPONTELEGRAPH AND TELEPHONE·Filed 2006·Granted Jun 1, 2010·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →