HH

Hiroyuki Hayakawa

HI Hitachi: 2 patents #771 of 3,950Top 20%
Overall (2002): #62,847 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6445654 Recording/reproducing method and device with supplementary data storage and output Tamotsu Ito, Keiji Nagayama, Susumu Yoshida, Akinobu Watanabe, Katsuhiko Tonami 2002-09-03
6363210 Communication system for encrypted data and apparatus for selectively recording and reproducing received analog signal and received digital signal Hitoaki Owashi, Takaharu Noguchi, Hiroo Okamoto, Kyoichi Hosokawa, Kazuhiko YOSHIZAWA +3 more 2002-03-26