Inventor · disambiguated record
Ryouichi Tazawa
Also filed as: TAZAWA RYOUICHI
3 granted patents·7 citations·filing 2002–2006
58Inventor score
Technology areasG02B
Top patents by PatentIndex Score
3 records- 0151US6898349B2Optical multi-demultiplexerNHK SPRING CO LTD·Filed 2002·Granted May 24, 2005·4 cites·12 claims
- 0248US7031569B2Optical multi-demultiplexerNHK SPRING CO LTD·Filed 2003·Granted Apr 18, 2006·3 cites·9 claims
- 0337US7231118B2Multichannel array waveguide diffraction grating multiplexer/demultiplexer and method of connecting array waveguide and output waveguideOMRON TATEISI ELECTRONICS CO·Filed 2006·Granted Jun 12, 2007·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →