TK

Takamasa Kawaguchi

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #706,506 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11789162 Positioning apparatus and augmentation information generation apparatus Norizumi MOTOOKA, Yuki Sato, Yuichi Hagito, Masayasu FUJITA 2023-10-17
9310489 Positional information transmitter, communication terminal, and positioning system using position data Tomoichi Ebata, Takayoshi Fujioka 2016-04-12
8773309 Positional information transmitter, positional information receiver, and position measuring system Tomoichi Ebata, Takayoshi Fujioka 2014-07-08
8432311 GPS signal transmitter and signal transmission method thereof Tomoichi Ebata, Takayoshi Fujioka, Shinya Yoshihara 2013-04-30
8299965 Positioning system, position information transmitter, communication terminal, and control method of the positioning system Tomoichi Ebata, Yutaka Shimogaki, Hitoshi Ogasawara 2012-10-30
7994970 Positioning system, position information transmitter, communication terminal, and control method of the positioning system Tomoichi Ebata, Yutaka Shimogaki, Hitoshi Ogasawara 2011-08-09
7664066 Wireless device, method for wireless communication system, and wireless communication system Nobuyoshi Ando, Takayoshi Fujioka 2010-02-16