Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
GT

Go Tanaka

OIOiles: 6 patents #28 of 253Top 15%
Toyota: 6 patents #4,786 of 26,838Top 20%
HKHamamatsu Photonics K.K.: 5 patents #390 of 1,436Top 30%
TSToshiba Medical Systems: 5 patents #256 of 1,088Top 25%
Canon: 4 patents #10,118 of 19,416Top 55%
TIToray Industries: 4 patents #687 of 3,690Top 20%
Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%
Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
NDNtt Docomo: 2 patents #761 of 1,706Top 45%
TSToshiba Energy Systems & Solutions: 1 patents #268 of 569Top 50%
Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #83,682 of 4,157,543Top 3%
38 Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
9400028 Hydraulic pressure spring and method of manufacturing the same Teruo Aramizu 2016-07-26
9149249 Ultrasound image diagnosis apparatus and a control method for measuring diagnosis parameters Satoshi Matsunaga, Osamu Nakajima, Koichiro Kurita, Masaru Ogasawara 2015-10-06
9062732 Hydraulic pressure spring and method of manufacturing the same Teruo Aramizu 2015-06-23
8833745 Seismic isolation device and seismic isolation structure Satoshi Fujita, Mitsuru Miyazaki, Hideo Ozawa, Ikuo Shimoda 2014-09-16
8584821 Friction damper Akihiko Okimura, Kazuhiro Nagashima, Yoshikazu Arai 2013-11-19
8171923 Cylinder head lubricating structure for engine Shigeru Shudo, Hirohisa Ishikawa 2012-05-08
8066788 Engine generator Takao Kobayashi, Tadafumi Hirose, Ryosuke Shibata 2011-11-29
7709582 Epoxy resin composition for fiber reinforced composite material, a production method for fiber reinforced composite material, and a fiber reinforced composite material Shinji Kouchi, Mariko Ishikawa, Hiroki Oosedo, Toshiya Kamae 2010-05-04
7501087 Injection molding thermosetting resin composition into reinforcing fiber substrate Toshiya Kamae, Hiroki Oosedo, Shigeo Iwasawa 2009-03-10
7322451 Friction damper Akihiko Okimura, Kazuhiro Nagashima, Yoshikazu Arai 2008-01-29
7148294 Epoxy resin composition, process for producing fiber-reinforced composite materials and fiber-reinforced composite materials Toshiya Kamae, Hiroki Oosedo, Shigeo Iwasawa 2006-12-12
6902811 Epoxy resin composition excellent in weather resistance and fiber-reinforced composite materials Hiroki Oosedo, Shinji Kouchi, Shoji Murai 2005-06-07
6715461 System for lubricating valve-operating mechanism in engine Keita Ito 2004-04-06