KI

Kunitoshi Ishihara

BC Bridgestone Sports Co.: 8 patents #63 of 224Top 30%
DC Dainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
📍 Izumiotsu, JP: #13 of 87 inventorsTop 15%
Overall (All Time): #587,435 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6582325 Solid golf balls and method of making Yasushi Ichikawa, Shunichi Kashiwagi, Rinya Takesue, Nobuhiko Matsumura 2003-06-24
6123628 Solid golf balls and method of making Yasushi Ichikawa, Shunichi Kashiwagi, Rinya Takesue, Nobuhiko Matsumura 2000-09-26
6054550 Wound golf ball Junji Umezawa, Shinichi Kakiuchi, Yasushi Ichikawa, Nobuhiko Matsumura 2000-04-25
5993968 Wound golf ball Junji Umezawa, Shinichi Kakiuchi, Yutaka Masutani, Nobuhiko Matsumura 1999-11-30
5899822 Three-piece solid golf ball Hisashi Yamagishi, Hiroshi Higuchi, Junji Hayashi, Nobuhiko Matsumura 1999-05-04
5876294 Three-piece solid golf ball Hisashi Yamagishi, Hiroshi Higuchi, Junji Hayashi, Nobuhiko Matsumura 1999-03-02
5800286 Golf ball Shinichi Kakiuchi, Yasushi Ichikawa, Takashi Maruko, Junji Umezawa, Nobuhiko Matsumura 1998-09-01
5792008 Golf ball Shinichi Kakiuchi, Yasushi Ichikawa, Takashi Maruko, Junji Umezawa, Nobuhiko Matsumura 1998-08-11
5274023 Thermoplastic polyurethane resin Hoyo Takahashi, Takuji Hirose 1993-12-28