Inventor · disambiguated record
Yasuhisa Tsutsumi
Also filed as: TSUTSUMI YASUHISA
5 granted patents·45 citations·filing 1989–2011
77Inventor score
Top patents by PatentIndex Score
5 records- 0147US8986858B2Organic electroluminescent deviceTADA MASASHI·Filed 2011·Granted Mar 24, 2015·1 cites·4 claims
- 0245US5175354AProcess for preparing 2,6-naphthalene-dicarboxylic acidNIPPON STEEL CHEMICAL CO·Filed 1991·Granted Dec 29, 1992·4 cites·5 claims
- 0343US4943116AReclining angle adjustment deviceOHWADA AKIRA·Filed 1989·Granted Jul 24, 1990·22 cites·3 claims
- 0437US4916962AReclining angle adjustment deviceSHIROKI CORP·Filed 1989·Granted Apr 17, 1990·17 cites·4 claims
- 0535US5081252AProcess for the preparation of aromatic carboxylic acidsNIPPON STEEL CORP·Filed 1989·Granted Jan 14, 1992·1 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →