KH

Koichi Hayasaka

SO Sony: 4 patents #8,966 of 25,231Top 40%
PA Private Access: 1 patents #40 of 136Top 30%
Overall (All Time): #1,269,861 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6622174 System for sending, converting, and adding advertisements to electronic messages sent across a network Yoshitaka Ukita, Shoichi Osawa 2003-09-16
6600930 Information provision system, information regeneration terminal, and server Hiroshi Sakurai, Fumihiko Yoshii, Yasuhiro Terayama, Yoshitaka Ukita, Takashi Morita 2003-07-29
6192258 Mobile communication device with a rotary push switch Tomihisa Kamada 2001-02-20
5802536 Information search and display apparatus Fumihiko Yoshii 1998-09-01