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Inventor

HAYAKAWA HISASHI

JP17 patents
⚠️ This page may combine multiple inventors who share the name “HAYAKAWA HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NTN TOYO BEARING CO LTD

14 patents

SATO SEIJI

2 patents

SANGO CO LTD

1 patent