YI

Yasushi Ichikawa

BC Bridgestone Sports Co.: 105 patents #4 of 224Top 2%
Nike: 46 patents #145 of 2,652Top 6%
Nissan Motor Co.: 15 patents #389 of 8,689Top 5%
SK Showa Denko K.K.: 5 patents #278 of 1,736Top 20%
NE NS Sumikin Engineering: 2 patents #16 of 113Top 15%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
SC Showa Highpolymer Co.: 1 patents #45 of 102Top 45%
FC Feng Tay Enterprises Co.: 1 patents #9 of 18Top 50%
📍 Tualatin, OR: #2 of 324 inventorsTop 1%
🗺 Oregon: #74 of 28,073 inventorsTop 1%
Overall (All Time): #4,462 of 4,157,543Top 1%
176
Patents All Time

Issued Patents All Time

Showing 76–100 of 176 patents

Patent #TitleCo-InventorsDate
7204964 CO oxidizer 2007-04-17
7160940 Multi-piece solid golf ball Junji Hayashi, Yasumasa Shimizu, Hiroshi Higuchi 2007-01-09
7086970 Multi-piece golf ball Junji Hayashi, Hisashi Yamagishi, Yasumasa Shimizu 2006-08-08
7084198 Golf ball material and golf ball Rinya Takesue 2006-08-01
7059977 Golf ball Rinya Takesue 2006-06-13
7048650 Golf ball Rinya Takesue, Eiji Takehana 2006-05-23
7037963 Golf ball Rinya Takesue, Hiroyuki Nagasawa 2006-05-02
7037215 Multi-piece golf ball Junji Hayashi, Hisashi Yamagishi, Yasumasa Shimizu 2006-05-02
7029406 Golf ball Atsuki Kasashima 2006-04-18
6992145 Golf ball Rinya Takesue, Eiji Takehana 2006-01-31
6981925 Multi-piece solid golf ball Yasumasa Shimizu, Junji Hayashi, Hiroshi Higuchi, Rinya Takesue 2006-01-03
6966850 Two-piece solid golf ball Hideo Watanabe 2005-11-22
6962951 Golf ball materials and golf ball Rinya Takesue 2005-11-08
6939250 Multi-piece golf ball Junji Hayashi, Hisashi Yamagishi, Yasumasa Shimizu 2005-09-06
6939251 Golf ball Rinya Takesue, Hiroyuki Nagasawa 2005-09-06
6894097 Golf ball material and golf ball Rinya Takesue 2005-05-17
6887168 Two-piece solid golf ball Junji Hayashi, Yasumasa Shimizu, Hiroshi Higuchi 2005-05-03
6855075 Golf ball cover composition and golf ball Toshimi Yamanaka 2005-02-15
6846250 Solid golf ball Hiroshi Higuchi, Hirotaka Shimosaka, Junji Umezawa, Rinya Takesue 2005-01-25
6838501 Golf ball material and golf ball Rinya Takesue 2005-01-04
6837804 Two-piece solid golf ball Hideo Watanabe 2005-01-04
6833400 Golf ball Rinya Takesue 2004-12-21
6822028 Golf ball material and golf ball Rinya Takesue 2004-11-23
6818701 Golf ball Rinya Takesue, Eiji Takehana 2004-11-16
6814676 Multi-piece solid golf ball Hideo Watanabe, Junji Umezawa, Rinya Takesue 2004-11-09