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 101–125 of 176 patents

Patent #TitleCo-InventorsDate
6806323 Golf ball Rinya Takesue 2004-10-19
6764415 Process for producing a golf ball Rinya Takesue 2004-07-20
6761648 Golf ball Rinya Takesue 2004-07-13
6758765 Multi-piece golf ball Junji Hayashi, Hisashi Yamagishi, Yasumasa Shimizu 2004-07-06
6750299 Golf ball Rinya Takesue 2004-06-15
6746345 Multi-piece solid golf ball Hiroshi Higuchi, Hirotaka Shimosaka, Rinya Takesue 2004-06-08
6747100 Golf ball Rinya Takesue 2004-06-08
6746347 Solid golf ball Hiroshi Higuchi, Hirotaka Shimosaka, Junji Umezawa, Rinya Takesue 2004-06-08
6739986 Multi-piece solid golf ball Hiroshi Higuchi, Hirotaka Shimosaka, Junji Umezawa 2004-05-25
6736737 Multi-piece solid golf ball Hiroshi Higuchi, Hirotaka Shimosaka, Junji Umezawa, Atsuki Kasashima, Rinya Takesue 2004-05-18
6729974 Two-piece golf ball Junji Hayashi, Hisashi Yamagishi, Yasumasa Shimizu 2004-05-04
6726578 Two-piece golf ball Junji Hayashi, Hisashi Yamagishi, Yasumasa Shimizu 2004-04-27
6723008 Multi-piece solid golf ball Hiroshi Higuchi, Hirotaka Shimosaka, Rinya Takesue 2004-04-20
6716117 Multi-piece solid golf ball Shunichi Kashiwagi, Rinya Takesue 2004-04-06
6702695 Multi-piece solid golf ball Hiroshi Higuchi, Hirotaka Shimosaka 2004-03-09
6659890 Multi-piece solid golf ball Hisashi Yamagishi, Hiroshi Higuchi, Junji Hayashi 2003-12-09
6653402 Golf ball Yoko Furuta 2003-11-25
6624221 Resin composition for golf ball and golf ball Rinya Takesue 2003-09-23
6620061 Golf ball Jun Shindo, Rinya Takesue 2003-09-16
6616552 Golf ball Rinya Takesue, Shunichi Kashiwagi, Nobuhiko Sato 2003-09-09
6613843 Golf ball materials and golf ball Rinya Takesue 2003-09-02
6582325 Solid golf balls and method of making Shunichi Kashiwagi, Rinya Takesue, Nobuhiko Matsumura, Kunitoshi Ishihara 2003-06-24
6579939 Golf ball Rinya Takesue, Eiji Takehana, Yoko Furuta 2003-06-17
6569037 Golf ball Rinya Takesue, Eiji Takehana 2003-05-27
6525139 Golf ball Rinya Takesue, Shunichi Kashiwagi 2003-02-25