Inventor · disambiguated record
Yoshitsugu Tsutsumi
Also filed as: TSUTSUMI YOSHITSUGU
3 granted patents·1 pending application·66 citations·filing 1986–2015
73Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0177US4668160AVacuum pumpHITACHI LTD·Filed 1986·Granted May 26, 1987·38 cites·3 claims
- 0269US4889995AApparatus for analysis employing electronHITACHI LTD·Filed 1988·Granted Dec 26, 1989·16 cites·11 claims
- 0366US6706647B1Method of and apparatus for manufacturing semiconductorsHITACHI LTD·Filed 2000·Granted Mar 16, 2004·12 cites·20 claims
- 0436US2015349608A1Axial Gap MotorHITACHI LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →