P

Inventor

ICHIYANAGI SEIJI

JP6 patents
⚠️ This page may combine multiple inventors who share the name “ICHIYANAGI SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK SPARK PLUG CO

4 patents

ICHIYANAGI SEIJI

1 patent

INUI YASUHIKO

1 patent