Inventor · disambiguated record
Yoshitada Kawashima
Also filed as: KAWASHIMA YOSHITADA
2 granted patents·2 pending applications·3 citations·filing 2011–2016
37Inventor score
Technology areasG02F
Top patents by PatentIndex Score
4 records- 0174US8831385B2Mach-zehnder modulatorSUGIYAMA MASAKI·Filed 2011·Granted Sep 9, 2014·3 cites·19 claims
- 0256US2017017097A1Optical modulator that includes optical waveguide formed in ferroelectric substrateFUJITSU OPTICAL COMPONENTS LTD·Filed 2016·Application pending·0 cites
- 0353US2016223881A1Optical modulator that includes optical waveguide formed in ferroelectric substrateFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Application pending·0 cites
- 0440US9520948B2Optical transmission deviceFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted Dec 13, 2016·0 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →