TO

Takao Oosawa

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #661,187 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7061705 Signal processing apparatus and method, record medium, and program 2006-06-13
D479252 Cutting machine Takashi Ozawa 2003-09-02
6339638 Telephone used for electronic money card transaction and method of operation of the same Masayuki Ohki, Atsuhiko Urushibara, Jun Furuya, Shigeyuki Ito, Hiroki Kitagawa 2002-01-15
6042002 Holding apparatus for a plurality of IC cards facilitating transactions of electronic money among the IC cards Masayuki Ohki, Atsuhiko Urushihara, Jun Furuya, Shigeyuki Itoh, Hiroki Kitagawa 2000-03-28
6016957 IC card reader/writer and method of operation thereof Masayuki Ohki, Atsuhiko Urushihara, Jun Furuya, Shigeyuki Itoh, Hiroki Kitagawa 2000-01-25
6000607 IC card reader/writer and method of operation thereof Masayuki Ohki, Atsuhiko Urushihara, Jun Furuya, Shigeyuki Itoh, Hiroki Kitagawa 1999-12-14
5952639 Depositing, withdrawal, balance check, exchange and transfer of electronic money in automatic cash handling machine Masayuki Ohki, Atsuhiko Urushihara, Jun Furuya, Hiroki Kitagawa 1999-09-14
D271815 Combined electric washer and clothes dryer Joji Nishiyama, Hajime Kasai, Etsuro Hirose 1983-12-13