Inventor
NISHITANI MASAFUMI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “NISHITANI MASAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRIDGESTONE SPORTS CO LTD
15 patentsUS7156750B2Jan 2, 2007
Golf club head
BRIDGESTONE SPORTS CO LTD191 citations99
USD518863SApr 11, 2006
Golf club head
BRIDGESTONE SPORTS CO LTD146 citations98
US7563175B2Jul 21, 2009
Golf club
BRIDGESTONE SPORTS CO LTD117 citations97
US6929563B2Aug 16, 2005
Iron type golf club head
BRIDGESTONE SPORTS CO LTD100 citations97
USD502976SMar 15, 2005
Golf club head
BRIDGESTONE SPORTS CO LTD72 citations97
USD526036SAug 1, 2006
Golf club head
BRIDGESTONE SPORTS CO LTD47 citations92
USD517146SMar 14, 2006
Trapezoid-shaped portion of a rear surface of a golf club head
BRIDGESTONE SPORTS CO LTD27 citations92
US6932718B2Aug 23, 2005
Golf club head
BRIDGESTONE SPORTS CO LTD23 citations92
USD504481SApr 26, 2005
Diamond-shaped central section defined by grooves on a face of a golf club head
BRIDGESTONE SPORTS CO LTD18 citations92
USD504480SApr 26, 2005
Diamond-shaped central section defined by grooves on a face of a golf club head
BRIDGESTONE SPORTS CO LTD22 citations92
USD491620SJun 15, 2004
Iron golf club head
BRIDGESTONE SPORTS CO LTD40 citations92
US7887435B2Feb 15, 2011
Golf club head
BRIDGESTONE SPORTS CO LTD8 citations84
US7857712B2Dec 28, 2010
Golf club head
BRIDGESTONE SPORTS CO LTD14 citations84
US7749095B2Jul 6, 2010
Golf club head
BRIDGESTONE SPORTS CO LTD11 citations84
USD521583SMay 23, 2006
Golf club head
BRIDGESTONE SPORTS CO LTD5 citations73