KH

Kazuyuki Hirooka

SO Sony: 2 patents #334 of 2,293Top 15%
Overall (2003): #58,455 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6667846 Information storage device having tape cassette with noncontact memory and antenna Yasuaki Kano, Atsushi Ito, Toru Hasegawa 2003-12-23
6643086 Tape driving apparatus Takao Hiramoto, Yoshihisa Takayama, Tatsuya Kato, Kenichiro Kikukawa 2003-11-04