TF

Takayoshi Fujioka

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HC Hitachi Industrial Equipment Systems Co.: 2 patents #215 of 550Top 40%
Overall (All Time): #675,324 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12219086 Communication module, communication system, and communication method Tomohisa Kohiyama, Naoya TOBISAWA 2025-02-04
9379763 Wireless device and wireless network system Hajime Kihara, Norihisa Yanagihara, Takashi Iwaki 2016-06-28
9310489 Positional information transmitter, communication terminal, and positioning system using position data Takamasa Kawaguchi, Tomoichi Ebata 2016-04-12
8773309 Positional information transmitter, positional information receiver, and position measuring system Takamasa Kawaguchi, Tomoichi Ebata 2014-07-08
8432311 GPS signal transmitter and signal transmission method thereof Tomoichi Ebata, Takamasa Kawaguchi, Shinya Yoshihara 2013-04-30
8165601 Positional information system Ken Naganuma, Eriko Ando, Yusuke Mishina 2012-04-24
7664066 Wireless device, method for wireless communication system, and wireless communication system Takamasa Kawaguchi, Nobuyoshi Ando 2010-02-16