Inventor · disambiguated record
Takeo Hasegawa
Also filed as: HASEGAWA TAKEO
6 granted patents·6 citations·filing 1981–2021
70Inventor score
Top patents by PatentIndex Score
6 records- 0168US10215211B2Drivable screw nailFUJITOMI CORP·Filed 2015·Granted Feb 26, 2019·3 cites·4 claims
- 0255US8497227B2Diphenylsulfone bridged compound, color forming substance for thermal recording and thermal recording materialSAITO HAJIME·Filed 2008·Granted Jul 30, 2013·0 cites·3 claims
- 0350US7632781B2Color developer for heat sensitive recording, process for producing the color development and heat sensitive recording materialNICCA CHEMICAL CO·Filed 2005·Granted Dec 15, 2009·0 cites·14 claims
- 0435US12023791B2Nail tip guide tool for nailing machineFUJITOMI CORP·Filed 2021·Granted Jul 2, 2024·0 cites·6 claims
- 0529US7189880B2Process for producing 2,4′-dihydroxydiphenylsulfoneNICCA CHEMICAL CO·Filed 2003·Granted Mar 13, 2007·0 cites·2 claims
- 0625US4457651ANailWAKAI SANGYO KK·Filed 1981·Granted Jul 3, 1984·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →