Inventor · disambiguated record
Takafumi Iba
Also filed as: IBA TAKAFUMI
4 granted patents·2 citations·filing 2014–2019
58Inventor score
Files withDAINIPPON INK & CHEMICALS4
Top patents by PatentIndex Score
4 records- 0172US10131860B2Dialkyl polysulfide, process for preparing dialkyl polysulfide, extreme pressure additive, and lubricating fluid compositionDAINIPPON INK & CHEMICALS·Filed 2014·Granted Nov 20, 2018·1 cites·18 claims
- 0271US10487285B2Method for producing dialkyl polysulfide, dialkyl polysulfide, extreme-pressure additive and lubricating fluid compositionDAINIPPON INK & CHEMICALS·Filed 2014·Granted Nov 26, 2019·1 cites·16 claims
- 0354US11767486B2Sulfur-based extreme-pressure agent and metalworking fluidDAINIPPON INK & CHEMICALS·Filed 2019·Granted Sep 26, 2023·0 cites·5 claims
- 0454US11499113B2Lubricating oil compositionDAINIPPON INK & CHEMICALS·Filed 2019·Granted Nov 15, 2022·0 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →