MH

Masaru Hirai

The Yokohama Rubber Co.: 2 patents #4 of 14Top 30%
Overall (1982): #10,436 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4326576 Rubber composition employing soft black and a thermosetting resin and tires employing said composition Yasuhiro Mizumoto, Yukio Tozawa, Masatoshi Kozima 1982-04-27
4319619 Radial-ply tire having low rolling resistance Masatoshi Kozima, Akinori Tokieda, Tadanobu Nagumo 1982-03-16