Inventor · disambiguated record
Yoshizumi Ishikawa
Also filed as: ISHIKAWA YOSHIZUMI
5 granted patents·34 citations·filing 2006–2019
73Inventor score
Files withSUMITOMO OSAKA CEMENT CO LTD5
Top patents by PatentIndex Score
5 records- 0190US10088698B1Optical deviceSUMITOMO OSAKA CEMENT CO LTD·Filed 2018·Granted Oct 2, 2018·6 cites·7 claims
- 0288US7985476B2Transparent zirconia dispersion and zirconia particle-containing resin composition, composition for sealing light emitting element and light emitting element, hard coat film and optical functional film and optical component, and method for producing zirconia particle-containing resinSUMITOMO OSAKA CEMENT CO LTD·Filed 2006·Granted Jul 26, 2011·26 cites·30 claims
- 0380US9977270B2Optical deviceSUMITOMO OSAKA CEMENT CO LTD·Filed 2015·Granted May 22, 2018·2 cites·7 claims
- 0452US10598849B2Optical device having EO polymer core and specially-polymerized cladSUMITOMO OSAKA CEMENT CO LTD·Filed 2019·Granted Mar 24, 2020·0 cites·5 claims
- 0545US11397342B2Optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2019·Granted Jul 26, 2022·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →