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 126–150 of 176 patents

Patent #TitleCo-InventorsDate
6520869 Resin composition for golf ball and golf ball Rinya Takesue 2003-02-18
6461252 Solid golf ball Hisashi Yamagishi, Hiroshi Higuchi, Junji Hayashi 2002-10-08
6417282 Golf ball and cover stock Rinya Takesue, Shunichi Kashiwagi 2002-07-09
6384135 Golf ball cover stocks and golf balls Rinya Takesue, Shunichi Kashiwagi 2002-05-07
6334819 Multi-piece solid golf ball Shunichi Kashiwagi, Rinya Takesue 2002-01-01
6329458 Golf ball cover compositions and golf balls Rinya Takesue, Shunichi Kashiwagi 2001-12-11
6319152 Golf ball Rinya Takesue, Shunichi Kashiwagi 2001-11-20
6267692 Multi-piece solid golf ball Hiroshi Higuchi, Hisashi Yamagishi, Junji Hayashi, Akira Kawata 2001-07-31
6267694 Multi-piece solid golf ball Hiroshi Higuchi, Hisashi Yamagishi, Junji Hayashi, Akira Kawata 2001-07-31
6268437 Golf ball and cover stock Rinya Takesue, Shunichi Kashiwagi 2001-07-31
6251991 Golf ball cover stocks and golf balls Rinya Takesue, Shunichi Kashiwagi 2001-06-26
6248028 Multi-piece solid golf ball Hiroshi Higuchi, Hisashi Yamagishi, Junji Hayashi, Akira Kawata 2001-06-19
6231460 Multilayer structure solid golf ball Hiroshi Higuchi, Hisashi Yamagishi 2001-05-15
6204333 Solid golf ball Hiroshi Higuchi, Hisashi Yamagishi, Junji Hayashi 2001-03-20
6179728 Golf ball Shunichi Kashiwagi, Rinya Takesue 2001-01-30
6174247 Multi-piece solid golf ball Hiroshi Higuchi, Hisashi Yamagishi, Junji Hayashi, Akira Kawata 2001-01-16
6142888 Multi-piece solid golf ball Hiroshi Higuchi, Hisashi Yamagishi 2000-11-07
6135898 Multi-piece solid golf ball Hiroshi Higuchi, Hisashi Yamagishi 2000-10-24
6130294 Golf ball Yoshinori Egashira, Shunichi Kashiwagi 2000-10-10
6129640 Multi-piece solid golf ball Hiroshi Higuchi, Hisashi Yamagishi 2000-10-10
6126558 Multi-piece solid golf ball Hiroshi Higuchi, Hisashi Yamagishi 2000-10-03
6123628 Solid golf balls and method of making Shunichi Kashiwagi, Rinya Takesue, Nobuhiko Matsumura, Kunitoshi Ishihara 2000-09-26
6120392 Golf ball Shunichi Kashiwagi, Rinya Takesue 2000-09-19
6106415 Multi-layer structure solid golf ball Yutaka Masutani, Keisuke Ihara, Hirotaka Shimosaka, Michio Inoue, Atuki Kasasima 2000-08-22
6063869 Golf ball Shunichi Kashiwagi, Rinya Takesue 2000-05-16