Inventor · disambiguated record
Tsutomu Kitagawa
Also filed as: KITAGAWA TSUTOMU
3 granted patents·54 citations·filing 1982–2003
71Inventor score
Top patents by PatentIndex Score
3 records- 0179US4745257ALaser welding methodMITSUBISHI ELECTRIC CORP·Filed 1987·Granted May 17, 1988·39 cites·4 claims
- 0256US4506145ADevice for controlling engine preheatingISUZU MOTORS LTD·Filed 1982·Granted Mar 19, 1985·11 cites·8 claims
- 0339US7489235B2Motor vehicle operation information providing systemISUZU MOTORS LTD·Filed 2003·Granted Feb 10, 2009·4 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →