Inventor · disambiguated record
Yoshiya Ota
Also filed as: OTA YOSHIYA
3 granted patents·3 pending applications·0 citations·filing 2019–2023
38Inventor score
Files withOSAKA GAS CHEMICALS CO LTD6
Top patents by PatentIndex Score
6 records- 0155US2025215231A1Ultraviolet absorberOSAKA GAS CHEMICALS CO LTD·Filed 2023·Application pending·0 cites
- 0248US12466914B2Retardation film and applications thereofOSAKA GAS CHEMICALS CO LTD·Filed 2020·Granted Nov 11, 2025·0 cites·18 claims
- 0348US2024192418A1Polarizer protective filmOSAKA GAS CHEMICALS CO LTD·Filed 2022·Application pending·0 cites
- 0445US2024168211A1Phase difference filmOSAKA GAS CHEMICALS CO LTD·Filed 2022·Application pending·0 cites
- 0543US12384132B2Retardation film and method for producing sameOSAKA GAS CHEMICALS CO LTD·Filed 2022·Granted Aug 12, 2025·0 cites·9 claims
- 0642US12366694B2Retardation film and method for producing the sameOSAKA GAS CHEMICALS CO LTD·Filed 2019·Granted Jul 22, 2025·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Yoshiya Ota files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →