HN

Hirotaka Nakamura

SL Sri Sports Limited: 23 patents #16 of 176Top 10%
NT NTT: 15 patents #227 of 4,871Top 5%
DC Dunlop Sports Co.: 14 patents #21 of 168Top 15%
SI Sumitomo Rubber Industries: 7 patents #320 of 1,637Top 20%
AC Akebono Brake Industry Co.: 4 patents #50 of 376Top 15%
YC Yanmar Holdings Co.: 2 patents #230 of 636Top 40%
NE Ntt Electronics: 2 patents #99 of 358Top 30%
Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
AB Ablic: 1 patents #97 of 167Top 60%
Overall (All Time): #31,345 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 26–50 of 67 patents

Patent #TitleCo-InventorsDate
9399159 Shaft for golf clubs Hiroshi Hasegawa 2016-07-26
9345934 Golf ball Takahiro Sajima 2016-05-24
9350482 Wavelength and bandwidth allocation method Shinya Tamaki, Shunji Kimura 2016-05-24
9283441 Golf ball Takahiro Sajima 2016-03-15
9236971 Bandwidth allocation device and bandwidth allocation method Shinya Tamaki, Tomoaki Yoshida, Shin KANEKO, Shunji Kimura 2016-01-12
9233278 Golf ball Takahiro Sajima 2016-01-12
9192825 Golf club head 2015-11-24
9186555 Golf ball Kazuya Kamino, Keiji Ohama 2015-11-17
9139712 Golf ball Keiji Ohama 2015-09-22
9116305 Arrayed waveguide grating, optical module provided with said arrayed waveguide grating, and optical communications system Shinya Tamaki, Shunji Kimura, Takayuki Mizuno, Hiroshi Takahashi, Mikitaka Itoh +1 more 2015-08-25
8986138 Golf ball Keiji Ohama, Kazuhiko Isogawa 2015-03-24
8956252 Golf ball Kazuhiko Isogawa, Seiichiro Endo, Hyoungchol Kim 2015-02-17
8894509 Golf ball Hyoungchol Kim, Masahide Onuki, Keiji Moriyama 2014-11-25
8840493 Golf ball Keiji Ohama, Seiichiro Endo 2014-09-23
8834302 Golf ball Hyoungchol Kim 2014-09-16
8740729 Golf ball 2014-06-03
8740728 Golf ball 2014-06-03
8721473 Golf ball Kazuhiko Isogawa, Tsutomu Hirau, Takahiro Shigemitsu 2014-05-13
8721474 Golf ball Keiji Ohama, Kazuya Kamino 2014-05-13
8663031 Golf ball Satoko Okabe, Kazuhiko Isogawa 2014-03-04
8657704 Golf ball Keiji Ohama, Yoshiko Matsuyama, Toshiyuki Tarao, Kazuyoshi Shiga, Takahiro Sajima 2014-02-25
8651978 Golf ball Takahiro Sajima, Hyoungchol Kim 2014-02-18
8608594 Golf ball Kazuhiko Isogawa, Tsutomu Hirau, Takahiro Shigemitsu 2013-12-17
8574097 Golf ball Keiji Ohama, Kazuhiko Isoagawa, Satoko Okabe 2013-11-05
8388466 Golf ball Keiji Ohama, Takahiro Sajima 2013-03-05