HK

Hiroyuki Kitagawa

NC Nitto Kohki Co.: 13 patents #8 of 144Top 6%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
DE Denso: 2 patents #4,986 of 11,792Top 45%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #170,422 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
12015396 Electronic system and method Yukako Tsutsumi, Koji Akita 2024-06-18
11564189 Electronic apparatus, electronic system, and method Koji Akita, Yukako Tsutumi 2023-01-24
11326893 Display device for vehicle Tadashi Yagumo 2022-05-10
11270131 Map points-of-change detection device Maiko Sugie, Yasuyuki Ito, Satoru Nomura, Tomoharu Murate, Miyo Hamada 2022-03-08
9699707 Calculation methods and calculation devices Cam Ly NGUYEN, Tatsuma Hirano, Ren Sakata 2017-07-04
D785144 Sealing ring for pipe coupling 2017-04-25
9402009 Image processing apparatus, image control method, and recording medium storing image control program 2016-07-26
9337747 Inverter apparatus and inverter system Takafumi Sakamoto, Yuji Tohzaka, Hiroki Kudo 2016-05-10
9204321 Wireless communication apparatus Yuji Tohzaka, Hiroki Kudo, Takafumi Sakamoto 2015-12-01
9107471 Shoe insole 2015-08-18
8864179 Pipe coupling apparatus 2014-10-21
8590860 Male joint member for pipe joint 2013-11-26
8246085 Pipe coupling and female pipe coupling member 2012-08-21
8196606 Coupling member for pipe coupling 2012-06-12
7926855 Coupling, and socket and plug for use in the coupling 2011-04-19
7708029 Coupling member of pipe coupling Masayuki Imaizumi, Koji Matsumoto 2010-05-04
7641239 Assembly of male and female members 2010-01-05
7079587 Signal transmitter having voltage booster circuit and method of operating the same Tokio Shimura 2006-07-18
D521614 Female coupler of pipe coupling 2006-05-23
D520123 Male coupler of pipe coupling 2006-05-02
6899132 Fluid coupler Toshio Mikiya 2005-05-31
6792974 Fluid coupler Toshio Mikiya 2004-09-21
D483096 Pipe coupling socket Kunihiko Gotoh 2003-12-02
D482761 Pipe coupling plug Kunihiko Gotoh 2003-11-25