Inventor
SUGAMATA TORU
JP57 patents
⚠️ This page may combine multiple inventors who share the name “SUGAMATA TORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO OSAKA CEMENT CO LTD
39 patentsUS10473998B2Nov 12, 2019
FPC-attached optical modulator and optical transmission apparatus using same
SUMITOMO OSAKA CEMENT CO LTD7 citations84
US10061179B2Aug 28, 2018
Optical modulator and optical transmission apparatus
SUMITOMO OSAKA CEMENT CO LTD9 citations84
US10921620B2Feb 16, 2021
Optical modulator and optical transmission apparatus
SUMITOMO OSAKA CEMENT CO LTD2 citations73
US10268057B2Apr 23, 2019
FPC-attached optical modulator and optical transmission apparatus using same
SUMITOMO OSAKA CEMENT CO LTD4 citations73
US9977266B2May 22, 2018
Optical modulator and optical transmission device using optical modulator
SUMITOMO OSAKA CEMENT CO LTD3 citations73
US12306478B2May 20, 2025
Optical modulator and optical transmitter
SUMITOMO OSAKA CEMENT CO LTD1 citations64
US11333909B2May 17, 2022
Optical waveguide element, optical modulator, optical modulation module, and optical transmission device
SUMITOMO OSAKA CEMENT CO LTD3 citations64
US8031983B2Oct 4, 2011
Light modulation device
SUMITOMO OSAKA CEMENT CO LTD3 citations63
US11397341B2Jul 26, 2022
Optical modulator having screw-fastened protrusion
SUMITOMO OSAKA CEMENT CO LTD0 citations62
US11187959B2Nov 30, 2021
Optical modulator and optical transmission device using same
SUMITOMO OSAKA CEMENT CO LTD0 citations62
US11156857B2Oct 26, 2021
Optical modulator and optical transmission apparatus using same
SUMITOMO OSAKA CEMENT CO LTD1 citations62
US10571722B2Feb 25, 2020
Optical modulator and optical transmission apparatus having same
SUMITOMO OSAKA CEMENT CO LTD1 citations62
US10477677B2Nov 12, 2019
Optical modulator with FPC and optical transmission device using same
SUMITOMO OSAKA CEMENT CO LTD1 citations62
US10473999B2Nov 12, 2019
Optical modulator with FPC and optical transmission device using same
SUMITOMO OSAKA CEMENT CO LTD1 citations62
US10310299B2Jun 4, 2019
Optical modulator and optical transmission device using optical modulator
SUMITOMO OSAKA CEMENT CO LTD1 citations62
US10228605B2Mar 12, 2019
Waveguide optical element
SUMITOMO OSAKA CEMENT CO LTD1 citations62
US8031987B2Oct 4, 2011
Optical modulator
SUMITOMO OSAKA CEMENT CO LTD4 citations62
US7292739B2Nov 6, 2007
Optical modulator
SUMITOMO OSAKA CEMENT CO LTD2 citations61
US12517384B2Jan 6, 2026
Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US12498612B2Dec 16, 2025
Optical modulator and optical transmission apparatus
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US12306479B2May 20, 2025
Optical modulator and optical transmission apparatus using same
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US12210232B2Jan 28, 2025
Optical modulator and optical transmission apparatus using same
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US12189265B2Jan 7, 2025
Optical modulator and optical transmission device using same
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US12147097B2Nov 19, 2024
Optical modulator and optical transmission apparatus using same
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US11953767B2Apr 9, 2024
Optical modulator and optical transmission apparatus using same
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US11644734B2May 9, 2023
Optical modulator and optical module using same
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US11500263B2Nov 15, 2022
Optical modulator and optical module using this
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US11397364B2Jul 26, 2022
Optical modulator and optical transmission apparatus
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US11397365B2Jul 26, 2022
Optical modulator and optical transmission device
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US11194181B2Dec 7, 2021
Optical modulator and optical module using this
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US11029577B2Jun 8, 2021
Optical modulator and optical transmission apparatus using the same
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US10935821B2Mar 2, 2021
Optical modulator
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US10732481B2Aug 4, 2020
Optical modulator and optical transmission device using same
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US10386659B2Aug 20, 2019
Optical modulator and optical transmission device using optical modulator
SUMITOMO OSAKA CEMENT CO LTD0 citations52
US10151959B2Dec 11, 2018
FPC-attached optical modulator and optical transmission device using the same
SUMITOMO OSAKA CEMENT CO LTD1 citations52
US11442329B2Sep 13, 2022
Optical waveguide element, optical modulator, optical modulation module, and optical transmission apparatus
SUMITOMO OSAKA CEMENT CO LTD0 citations51
US7822297B2Oct 26, 2010
Optical modulator
SUMITOMO OSAKA CEMENT CO LTD0 citations51
US10416527B2Sep 17, 2019
Optical modulator
SUMITOMO OSAKA CEMENT CO LTD0 citations49
US10788726B1Sep 29, 2020
Optical modulator and optical transmission apparatus using the same
SUMITOMO OSAKA CEMENT CO LTD0 citations42
SHIMIZU RYO
5 patentsUS8792752B2Jul 29, 2014
Optical waveguide element module
SHIMIZU RYO4 citations72
US8068703B2Nov 29, 2011
Optical modulator
SHIMIZU RYO4 citations61
US8559768B2Oct 15, 2013
Traveling wave optical modulator
SHIMIZU RYO1 citations51
US8270777B2Sep 18, 2012
Optical modulator
SHIMIZU RYO0 citations51
US8774564B2Jul 8, 2014
Optical waveguide element module
SHIMIZU RYO1 citations50
KONDOU KATSUTOSHI
2 patentsFUJINO TETSUYA
1 patentOIKAWA SATOSHI
1 patentMORI SHINGO
1 patentKINPARA YUHKI
1 patentShowing the top 50 of 57 patents by PatentIndex Score.