HY

Hisashi Yamagishi

BC Bridgestone Sports Co.: 134 patents #3 of 224Top 2%
Bridgestone: 4 patents #601 of 2,860Top 25%
SS Sidel Participations S.A.S: 1 patents #171 of 310Top 60%
Overall (All Time): #7,200 of 4,157,543Top 1%
140
Patents All Time

Issued Patents All Time

Showing 51–75 of 140 patents

Patent #TitleCo-InventorsDate
6465573 Solid golf ball Takashi Maruko, Yutaka Masutani 2002-10-15
6461251 Solid golf ball Takashi Maruko, Yutaka Masutani 2002-10-08
6461252 Solid golf ball Hiroshi Higuchi, Yasushi Ichikawa, Junji Hayashi 2002-10-08
6431998 Solid golf ball Atsushi Nakamura, Takashi Maruko, Yutaka Masutani 2002-08-13
6419595 Solid golf ball Takashi Maruko, Yutaka Masutani 2002-07-16
6416425 Solid golf ball Takashi Maruko, Yutaka Masutani 2002-07-09
6416426 Golf ball Atsushi Nakamura, Takashi Maruko 2002-07-09
6406385 Golf ball Yutaka Masutani, Takashi Maruko, Atsushi Nakamura 2002-06-18
6394912 Solid golf ball Atsushi Nakamura, Takashi Maruko, Yutaka Masutani 2002-05-28
6379267 Golf ball Takashi Maruko, Atsushi Nakamura 2002-04-30
6379268 Golf ball Takashi Maruko, Atsushi Nakamura, Jun Shindo 2002-04-30
6361453 Solid golf ball Atsushi Nakamura, Takashi Maruko, Yutaka Masutani 2002-03-26
6361452 Thread-wound golf ball Takashi Maruko, Atsushi Nakamura 2002-03-26
6358159 Multi-piece solid golf ball Hiroshi Higuchi, Junji Hayashi, Hideo Watanabe, Atsushi Nakamura 2002-03-19
6354967 Solid golf ball Atsushi Nakamura, Takashi Maruko 2002-03-12
6336874 Golf ball Takashi Maruko, Atsushi Nakamura 2002-01-08
6336873 Golf ball Takashi Maruko, Atsushi Nakamura 2002-01-08
6299551 Multi-piece solid golf ball Hiroshi Higuchi, Junji Hayashi, Shunichi Kashiwagi, Akira Kawata 2001-10-09
6290612 Solid golf ball Takashi Maruko, Yutaka Masutani, Atsushi Nakamura 2001-09-18
6277036 Multi-piece solid golf ball Junji Hayashi, Hiroshi Higuchi, Yasumasa Shimizu 2001-08-21
6271296 Solid golf ball Atsushi Nakamura, Takashi Maruko, Yutaka Masutani 2001-08-07
6267692 Multi-piece solid golf ball Hiroshi Higuchi, Yasushi Ichikawa, Junji Hayashi, Akira Kawata 2001-07-31
6267694 Multi-piece solid golf ball Hiroshi Higuchi, Yasushi Ichikawa, Junji Hayashi, Akira Kawata 2001-07-31
6254495 Solid golf ball Atsushi Nakamura, Takashi Maruko, Yutaka Masutani 2001-07-03
6251031 Multi-piece solid golf ball Junji Hayashi, Hiroshi Higuchi, Yasumasa Shimizu 2001-06-26