Inventor

HAYAKAWA MASARU

JP3 patents

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

NGK SPARK PLUG CO

1 patent

US6997607B2Feb 14, 2006

Temperature sensor

NGK SPARK PLUG CO21 citations89

NIPPON PETROCHEMICALS CO LTD

1 patent

US4691759ASep 8, 1987

Binder for dry sand mold and method of its usage

NIPPON PETROCHEMICALS CO LTD4 citations60

TOPPAN PRINTING CO LTD

1 patent

US10622113B2Apr 14, 2020

Radiation shielding sheet

TOPPAN PRINTING CO LTD0 citations37