Inventor
KOYA MITSUHARU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “KOYA MITSUHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO RUBBER IND
7 patentsUS6003575ADec 21, 1999
Pneumatic tire including sipes
SUMITOMO RUBBER IND70 citations94
US6170546B1Jan 9, 2001
Heavy duty pneumatic tire including variable width grooves and constant width grooves
SUMITOMO RUBBER IND20 citations91
US7416004B2Aug 26, 2008
Pneumatic tire with tread including blocks having open and closed sipes
SUMITOMO RUBBER IND18 citations82
US7516767B2Apr 14, 2009
Pneumatic tire with tread having zigzag sipes
SUMITOMO RUBBER IND7 citations71
US6691756B2Feb 17, 2004
Pneumatic tire with specified bead base surface
SUMITOMO RUBBER IND3 citations61
US7469731B2Dec 30, 2008
Heavy-duty tire having ground-contact surface shape
SUMITOMO RUBBER IND2 citations57
US11235618B2Feb 1, 2022
Heavy-duty pneumatic tire
SUMITOMO RUBBER IND0 citations48