Inventor · disambiguated record
Masakazu Oohashi
Also filed as: OOHASHI MASAKAZU
3 granted patents·10 citations·filing 2005–2007
65Inventor score
Technology areasG02B
Files withFUJIKURA LTD3
Top patents by PatentIndex Score
3 records- 0173US7346258B2Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the sameFUJIKURA LTD·Filed 2005·Granted Mar 18, 2008·5 cites·1 claims
- 0269US7406236B2Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the sameFUJIKURA LTD·Filed 2006·Granted Jul 29, 2008·4 cites·4 claims
- 0356US7711238B2Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the sameFUJIKURA LTD·Filed 2007·Granted May 4, 2010·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →