Inventor · disambiguated record
Yoshitake Kawachi
Also filed as: KAWACHI YOSHITAKE
3 granted patents·90 citations·filing 1989–1997
74Inventor score
Files withNGK SPARK PLUG CO3
Top patents by PatentIndex Score
3 records- 0181US5753893AAlumina-based sintered material for ceramic heaterNGK SPARK PLUG CO·Filed 1997·Granted May 19, 1998·47 cites·6 claims
- 0269US4980042AOxygen sensor and method of making itNGK SPARK PLUG CO·Filed 1989·Granted Dec 25, 1990·30 cites·21 claims
- 0344US5139829AMethod for producing oxygen detection elementNGK SPARK PLUG CO·Filed 1991·Granted Aug 18, 1992·13 cites·39 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →