TH

Taku Hoshizawa

HI Hitachi: 30 patents #925 of 28,497Top 4%
HC Hitachi Consumer Electronics Co.: 6 patents #36 of 447Top 9%
HS Hitachi-Lg Data Storage: 6 patents #39 of 294Top 15%
HC Hitachi Media Electronics Co.: 1 patents #130 of 214Top 65%
Overall (All Time): #89,446 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
7571361 Recording method and optical disk recording device Atsushi Fuchiwaki 2009-08-04
7441163 Method of recording/reproducing digital data and apparatus for same Shigeki Taira, Osamu Kawamae 2008-10-21
7421627 Method of recording/reproducing digital data and apparatus for same Shigeki Taira, Osamu Kawamae 2008-09-02
7421626 Method of recording/reproducing digital data and apparatus for same Shigeki Taira, Osamu Kawamae 2008-09-02
7406636 Method of recording/reproducing digital data and apparatus for same Shigeki Taira, Osamu Kawamae 2008-07-29
7310290 Tracking learning/adjusting method and optical disk device Yoshinori Ishikawa, Fumio Isshiki 2007-12-18
7305606 Method of recording/reproducing digital data and apparatus for same Shigeki Taira, Osamu Kawamae 2007-12-04
7281194 Recording method for recording data on a recording medium Osamu Kawamae, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama 2007-10-09
7216286 Data reproducing method and data reproducing apparatus Yukari Katayama 2007-05-08
6918079 Recording method, reproducing method, recording apparatus, and reproducing apparatus Osamu Kawamae, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama 2005-07-12
6014766 Digital signal reproduction apparatus Yutaka Nagai, Shuichi Sagano, Yoshifumi Takeuchi, Osamu Kawamae 2000-01-11
5920579 Digital signal reproduction apparatus Yutaka Nagai, Shuichi Sagano, Toshifumi Takeuchi, Osamu Kawamae 1999-07-06