Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520376 | Load cell having a computation unit which computes displacement amount of the diffraction grating | Katsuhiro Oyama, Isao Matsuda, Yasuhito Hagiwara, Takaki Hamamoto | 2019-12-31 |
| 10012519 | Displacement measurement device and displacement measurement method | Yasuhito Hagiwara, Takaki Hamamoto, Katsuhiro Oyama | 2018-07-03 |
| 9719809 | Optical unit and displacement measuring device | Katsuhiro Oyama, Yasuhito Hagiwara, Takaki Hamamoto, Isao Matsuda | 2017-08-01 |
| 8945697 | Optical recording medium | Wakaaki Murai | 2015-02-03 |
| 8747983 | Optical recording medium | Takuo Kodaira, Akihisa Endo, Kazunobu TAKEGUCHI, Shinichi Kojo | 2014-06-10 |
| 8542563 | Recording method for optical disk and optical disk recording reproduction device | Katsuhiro Oyama, Daizo Yokoyama | 2013-09-24 |
| 8483026 | Optical information recording apparatus and method | Hiroya Kakimoto, Katsuhiro Oyama | 2013-07-09 |
| 8254229 | Optical information recording apparatus and method | Hiroya Kakimoto, Katsuhiro Oyama | 2012-08-28 |
| 8223605 | Optical disc recording method, optical disc recording/playback device, and optical disc | Hiroya Kakimoto | 2012-07-17 |
| 7983126 | Optical-information recording apparatus and method and signal processing circuit | Mitsuo Sekiguchi, Hiroya Kakimoto | 2011-07-19 |
| 7965600 | Data recording evaluation method and optical disk recording and reproduction device | Hiroya Kakimoto, Mitsuo Sekiguchi, Katsuhiro Oyama | 2011-06-21 |
| 7755993 | Optical information recording reproduction device | Katsuhiro Oyama, Mitsuo Sekiguchi, Hiroya Kakimoto | 2010-07-13 |
| 7738336 | Apparatus and method for optical information recording and reproducing | Hiroya Kakimoto, Mitsuo Sekiguchi | 2010-06-15 |
| 7693015 | Optical information recording device, optical information recording method, and signal processing circuit | Yoshikazu Sato, Isao Matsuda, Tetsuharu Kubo, Katsuhiro Oyama, Hiroya Kakimoto | 2010-04-06 |
| 7693016 | Optical recording method, optical recording apparatus, one-chip CPU device, and computer program | Hiroya Kakimoto, Mitsuo Sekiguchi | 2010-04-06 |
| 7660218 | Optical recording method, evaluation indicator acquiring method, optical recording apparatus, micro CPU device, and computer program | Hiroya Kakimoto, Mitsuo Sekiguchi | 2010-02-09 |
| 7652961 | Optical information recording method and optical information regeneration recorder, and signal processing circuit, and recording reproduction program and information recording medium | Hiroya Kakimoto, Mitsuo Sekiguchi | 2010-01-26 |
| 7649826 | Optical information recording reproduction device | Katsuhiro Oyama, Mitsuo Sekiguchi, Hiroya Kakimoto | 2010-01-19 |
| 7542394 | Optical information recording device for detecting information during recording and method therefor | Yoshikazu Sato, Mitsuo Sekiguchi, Hiroya Kakimoto, Tetsuharu Kubo | 2009-06-02 |