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 1–25 of 37 patents

Patent #TitleCo-InventorsDate
11544030 Remote work-support system Chiyo Ohno, Naohito Ikeda, Toshiki Ishii, Satoshi Ouchi 2023-01-03
11169764 Remote work-support system Chiyo Ohno, Naohito Ikeda, Toshiki Ishii, Satoshi Ouchi 2021-11-09
9761263 Optical information recording and reproducing device, optical information recording and reproducing method Hirofumi Taguchi, Koji Fujita, Nobuo Nakai, Koichiro Nishimura, Kazuyoshi Yamazaki 2017-09-12
9330704 Optical information recording device, optical information recording and reproducing device, optical information recording method, optical information recording and reproducing method, and optical element Koichiro Nishimura, Toshiki Ishii, Koji Fujita 2016-05-03
9013972 Optical information recording and reproducing method and device Yusuke Nakamura 2015-04-21
8976639 Disk-shaped recording medium and recording/reproducing device for disk-shaped recording medium 2015-03-10
8913474 Optical information recording/reproducing apparatus Hirofumi Taguchi, Kouji Fujita, Ukyo Ikeda 2014-12-16
8804474 Optical information recording/reproducing apparatus Mayumi Nagayoshi, Kenichi Shimada, Kazuyoshi Yamazaki, Makoto Hosaka 2014-08-12
8407533 Method of recording/reproducing digital data and apparatus for same Shigeki Taira, Osamu Kawamae 2013-03-26
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 Osamu Kawamae, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama 2013-01-15
8300511 Optical information record/reproduction apparatus and reproduction apparatus Kenichi Shimada, Toshiki Ishii, Motoyuki Suzuki 2012-10-30
8174942 Data recording method capable of replacing defective data on different location in spare areas 2012-05-08
7984339 Method of recording/reproducing digital data and apparatus for same Shigeki Taira, Osamu Kawamae 2011-07-19
7984340 Method of recording/reproducing digital data and apparatus for same Shigeki Taira, Osamu Kawamae 2011-07-19
7979753 Method of recording/reproducing digital data and apparatus for same Shigeki Taira, Osamu Kawamae 2011-07-12
7782729 Digital data recording method and data recording/reproducing apparatus Atsushi Fuchiwaki 2010-08-24
7747906 Recording and reproducing apparatus and digital data recording method 2010-06-29
7747910 Method of recording/reproducing digital data and apparatus for same Shigeki Taira, Osamu Kawamae 2010-06-29
7719939 Optical disk drive and method for allocating spare area on optical disk medium Kenji Akahoshi 2010-05-18
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 Osamu Kawamae, 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 Osamu Kawamae, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama 2010-01-12
7620874 Recording method for recording data on a recording medium Osamu Kawamae, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama 2009-11-17
7593299 Optical disk recording/reproducing apparatus and optical disk recording/reproducing method Kenji Akahoshi 2009-09-22
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 Osamu Kawamae, 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 Osamu Kawamae, Harukazu Miyamoto, Shigeki Taira, Yukari Katayama 2009-09-15