Inventor
HIGUCHI KANJI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “HIGUCHI KANJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON DENSO CO
5 patentsUS4581558AApr 8, 1986
Spark plug for internal combustion engines having an alloy layer between the electrodes and tip ends
NIPPON DENSO CO69 citations95
US4540910ASep 10, 1985
Spark plug for internal-combustion engine
NIPPON DENSO CO79 citations95
US4488081ADec 11, 1984
Ignition plug
NIPPON DENSO CO36 citations92
USRE35012EAug 8, 1995
Spark plug for internal combustion engines having an alloy layer between the electrodes and tip ends
NIPPON DENSO CO11 citations73
US4250426AFeb 10, 1981
Spark plug having vanadium oxide islands on central insulator
NIPPON DENSO CO14 citations71