Inventor · disambiguated record
Toshihira Irisawa
Also filed as: IRISAWA Toshihira
2 granted patents·1 pending application·0 citations·filing 2013–2019
25Inventor score
Technology areasD01F
Top patents by PatentIndex Score
3 records- 0171US11473219B2Method for producing a polybenzimidazole carbon fiberAIST·Filed 2019·Granted Oct 18, 2022·0 cites·8 claims
- 0257US9777408B2Precursor fiber for carbon fibers, carbon fiber, and method for producing carbon fiberNAT INST ADVANCED IND SCIENCE & TECH·Filed 2013·Granted Oct 3, 2017·0 cites·8 claims
- 0352US2017152612A1Polybenzimidazole carbon fiber and method for manufacturing sameNAT INST ADVANCED IND SCIENCE & TECH·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →