Inventor · disambiguated record
Akio Katoh
Also filed as: KATOH AKIO
7 granted patents·205 citations·filing 1992–1994
88Inventor score
Files withNIPPON DENSO CO7
Top patents by PatentIndex Score
7 records- 0177US5990602ALong life spark plug having minimum noble metal amountNIPPON DENSO CO·Filed 1993·Granted Nov 23, 1999·47 cites·2 claims
- 0276US5465022ASpark plug for internal-combustion engine and manufacture method of the sameNIPPON DENSO CO·Filed 1993·Granted Nov 7, 1995·50 cites·9 claims
- 0369US5502351ASpark plug having horizontal discharge gapNIPPON DENSO CO·Filed 1994·Granted Mar 26, 1996·33 cites·10 claims
- 0467US5502994AMethod for producing a metal tipNIPPON DENSO CO·Filed 1994·Granted Apr 2, 1996·26 cites·14 claims
- 0561US5563468ASpark plug having arc-shaped precious metal chip and method of producing the sameNIPPON DENSO CO·Filed 1994·Granted Oct 8, 1996·23 cites·8 claims
- 0651US5406166ALong life spark plug having consumable discharge memberNIPPON DENSO CO·Filed 1992·Granted Apr 11, 1995·15 cites·14 claims
- 0745US5502352ASpark plug having horizontal dischargeNIPPON DENSO CO·Filed 1994·Granted Mar 26, 1996·11 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →