Inventor
SHIMOHIRA KATSUMI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “SHIMOHIRA KATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON SHAFT CO LTD
4 patentsUS7980970B2Jul 19, 2011
Bat for baseball or softball
NIPPON SHAFT CO LTD29 citations90
US6213888B1Apr 10, 2001
Golf club shaft
NIPPON SHAFT CO LTD63 citations90
US7985149B2Jul 26, 2011
Bat for baseball or softball
NIPPON SHAFT CO LTD24 citations86
US7993223B2Aug 9, 2011
Bat for baseball or softball
NIPPON SHAFT CO LTD8 citations81