Inventor · disambiguated record
Tutomu Ooka
Also filed as: OOKA TUTOMU
2 granted patents·7 citations·filing 1997–1997
55Inventor score
Technology areasB01D
Files withSUMITOMO ELECTRIC INDUSTRIES2
Top patents by PatentIndex Score
2 records- 0128US6028296ARegenerative heater of diesel engine particulate trap and diesel engine particulate trap using the same heaterSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Feb 22, 2000·4 cites·10 claims
- 0227US5958095ARegenerative heater of diesel engine particulate trap and diesel engine particulate trap using the same heaterSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Sep 28, 1999·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →