MH

Masaru Hayakawa

Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
NC Nippon Petrochemicals, Co.: 1 patents #181 of 359Top 55%
TO Tomoegawa: 1 patents #42 of 108Top 40%
TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
Overall (All Time): #1,448,993 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10622113 Radiation shielding sheet Minoru Tsuchida 2020-04-14
6997607 Temperature sensor Masaki Iwaya, Masahiko Nishi, Takaaki Chosokabe 2006-02-14
4691759 Binder for dry sand mold and method of its usage Takeshi Yoshida, Atsushi Kaiya 1987-09-08