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 51–75 of 176 patents

Patent #TitleCo-InventorsDate
8905864 Golf ball with resin inner core with a designated specific gravity Arthur Molinari, Chien-Hsin Chou, Chen-Tai Liu, Jun Ichinose 2014-12-09
8906508 Method of toughening thermoplastic polyurethane and articles comprising toughened thermoplastic polyurethane Thomas J. Kennedy, III 2014-12-09
8882606 Golf swing data gathering method and system Nicholas A. Leech, Arthur Molinari, Yutaka Kabeshita, Derek A. Fitchett, Bradley C. Tutmark 2014-11-11
8865081 Method for producing aliphatic polyester having increased molecular weight Hideharu Kimura, Akira Ishii 2014-10-21
8852517 Method for producing aliphatic polyester having increased molecular weight Hideharu Kimura, Akira Ishii 2014-10-07
8828612 Fuel cell system Keigo Ikezoe 2014-09-09
8802311 Fuel cell stack structure Keita Iritsuki, Yuichiro Tabuchi 2014-08-12
8764581 Systems and methods for manufacturing a golf ball 2014-07-01
8764580 Golf ball having relationships among the densities of various layers Hideyuki Ishii, Chien-Hsin Chou, Che-Ching Lin, Chen-Tai Liu, Arthur Molinari 2014-07-01
8758169 Method and system for golf ball fitting analysis Hideyuki Ishii, Yutaka Kabeshita, Nicholas A. Leech, Arthur Molinari 2014-06-24
8734971 Fluid passage structure for fuel cell stack 2014-05-27
8568250 Golf ball with cover having zones of hardness Chien-Hsin Chou, Chen-Tai Liu, Chia-Chyi Cheng 2013-10-29
8556750 Golf ball with cover having varying hardness Chia-Chyi Cheng 2013-10-15
8529377 Golf ball incorporating thermoplastic polyurethane Sang-Hyuk Lee, Tae Hoon Lim 2013-09-10
8529375 Golf ball having increased moment of inertia 2013-09-10
8193296 Golf balls including crosslinked thermoplastic polyurethane Hideyuki Ishii, Hsin Cheng, Chien-Hsin Chou, Chung-Yu Huang, Chen-Tai Liu 2012-06-05
7951016 Multi-piece solid golf ball Hisashi Yamagishi, Hiroshi Higuchi, Junji Hayashi 2011-05-31
7784226 Joint structure for antiseismic reinforcement Eiichiro Saeki, Akira Wada 2010-08-31
7510487 Multi-piece solid golf ball Hisashi Yamagishi, Hiroshi Higuchi, Junji Hayashi 2009-03-31
7481982 Carbon monoxide oxidizer 2009-01-27
7390852 Multi-piece solid golf ball Junji Hayashi, Yasumasa Shimizu, Hiroshi Higuchi 2008-06-24
D568427 Golf club head Vinh-Duy Thai Nguyen, David L. Walker 2008-05-06
D560262 Golf club head Vinh-Duy Thai Nguyen, David L. Walker 2008-01-22
D545386 Iron golf club head Vinh-Duy Thai Nguyen, David L. Walker, Hideo Matsunaga 2007-06-26
7211610 Golf ball materials and golf ball Rinya Takesue 2007-05-01