TT

Toshifumi Takeuchi

HI Hitachi: 7 patents #62 of 3,950Top 2%
Overall (2002): #3,436 of 266,432Top 2%
7
Patents 2002

Issued Patents 2002

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6490236 Method and apparatus for optical disk device Yasushi Fukuda, Nobuhiro Tokushuku 2002-12-03
6438172 Transmitting and recording method, reproducing method, and reproducing apparatus of information and its recording medium Masafumi Nakamura 2002-08-20
6434322 Reproducing method and apparatus, for a video signal having copy control information Hiroyuki Kimura, Takao Arai 2002-08-13
6424477 Information signal recording and playback method and apparatus therefor Seiichi Saito, Masafumi Nakamura, Junji Shiokawa, Osamu Kawamae 2002-07-23
6404979 Optical disk and optical disk reproduction apparatus Masayuki Hirabayashi, Hideaki Suzuki, Masafumi Nakamura, Yutaka Nagai 2002-06-11
6404781 Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor Osamu Kawamae, Hiroshi Yoshiura, Takao Arai 2002-06-11
6347353 Information medium having digital signals recorded thereon Hiroshi Hirayama, Osamu Kawamae, Masayuki Hirabayashi, Yutaka Nagai 2002-02-12