OK

Osamu Kawamae

HI Hitachi: 49 patents #305 of 28,497Top 2%
MA Maxell: 49 patents #9 of 437Top 3%
HC Hitachi Consumer Electronics Co.: 7 patents #30 of 447Top 7%
HS Hitachi-Lg Data Storage: 6 patents #39 of 294Top 15%
Overall (All Time): #13,041 of 4,157,543Top 1%
105
Patents All Time

Issued Patents All Time

Showing 51–75 of 105 patents

Patent #TitleCo-InventorsDate
8760981 Optical disc device and optical disc recording/reproducing method Yasuo Mutsuro, Yutaka Nagai, Koichiro Nishimura, Masakazu Ikeda 2014-06-24
8730771 Recording/reproducing device Hisahiro HAYASHI 2014-05-20
8695024 Disc changer with detachable optical disc storage magazine for storing multiple optical discs Takashi Yoshida, Yuji Ishikawa 2014-04-08
8483025 Data recording and reproducing apparatus and data library device Masayuki Hirabayashi 2013-07-09
8416660 Recording quality evaluation method of optical disk and optical disk storage system Masaaki Kurebayashi, Shinji Fujita 2013-04-09
8407533 Method of recording/reproducing digital data and apparatus for same Taku Hoshizawa, Shigeki Taira 2013-03-26
8369194 Optical disc device, optical disc recording method, and reproduction method 2013-02-05
8356235 Recording and reproducing data to/from a recording medium having a user data area and an information area for storing information about the recording medium Taku Hoshizawa, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama 2013-01-15
8311219 Reproducing apparatus, recording apparatus and display apparatus Toshifumi Takeuchi, Hiroyuki Kimura, Takao Arai, Hiroshi Yoshiura 2012-11-13
8103878 Control device, update method and control software 2012-01-24
8074071 Reproducing apparatus, recording apparatus and display apparatus Toshifumi Takeuchi, Hiroyuki Kimura, Takao Arai, Hiroshi Yoshiura 2011-12-06
7984340 Method of recording/reproducing digital data and apparatus for same Taku Hoshizawa, Shigeki Taira 2011-07-19
7984339 Method of recording/reproducing digital data and apparatus for same Taku Hoshizawa, Shigeki Taira 2011-07-19
7979753 Method of recording/reproducing digital data and apparatus for same Taku Hoshizawa, Shigeki Taira 2011-07-12
7779256 Reproducing apparatus, recording apparatus and display apparatus Toshifumi Takeuchi, Hiroyuki Kimura, Takao Arai, Hiroshi Yoshiura 2010-08-17
7751587 Data production method and apparatus Eijiro Tazawa 2010-07-06
7747910 Method of recording/reproducing digital data and apparatus for same Taku Hoshizawa, Shigeki Taira 2010-06-29
7657817 Recording and reproducing data to/from a recording medium having a user data area and an information area for storing information about the recording medium Taku Hoshizawa, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama 2010-02-02
7647542 Recording and reproducing data to/from a recording medium having a user data area and an information area for storing information about the recording medium Taku Hoshizawa, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama 2010-01-12
7620874 Recording method for recording data on a recording medium Taku Hoshizawa, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama 2009-11-17
7594155 Recording and reproducing data to/from a recording medium having a user data area and an information area for storing information about the recording medium Taku Hoshizawa, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama 2009-09-22
7590915 Recording and reproducing data to/from a recording medium having a user data area and an information area for storing information about the recording medium Taku Hoshizawa, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama 2009-09-15
7441163 Method of recording/reproducing digital data and apparatus for same Taku Hoshizawa, Shigeki Taira 2008-10-21
7421626 Method of recording/reproducing digital data and apparatus for same Taku Hoshizawa, Shigeki Taira 2008-09-02
7421627 Method of recording/reproducing digital data and apparatus for same Taku Hoshizawa, Shigeki Taira 2008-09-02