Inventor · disambiguated record
Yoshikazu Iijima
Also filed as: IIJIMA YOSHIKAZU
3 granted patents·1 pending application·11 citations·filing 2015–2020
60Inventor score
Technology areasC08F
Files withMARUZEN PETROCHEM CO LTD4
Top patents by PatentIndex Score
4 records- 0186US9994650B2Method for producing hydrogenated petroleum resinMARUZEN PETROCHEM CO LTD·Filed 2015·Granted Jun 12, 2018·8 cites·7 claims
- 0285US11485803B2Method for deodorizing hydrogenated petroleum resin, and method for producing hydrogenated petroleum resinMARUZEN PETROCHEM CO LTD·Filed 2019·Granted Nov 1, 2022·3 cites·3 claims
- 0350US11773200B2Method for producing hydrogenated petroleum resinMARUZEN PETROCHEM CO LTD·Filed 2019·Granted Oct 3, 2023·0 cites·8 claims
- 0448US2023220138A1Method of manufacturing copolymer resin of dicyclopentadiene and vinyl aromatic compoundMARUZEN PETROCHEM CO LTD·Filed 2020·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yoshikazu Iijima 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 →