Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8174945 | Multi-layered optical disk and optical disk device capable of addressing a focus lead-in operation | — | 2012-05-08 |
| 8120999 | Optical disc apparatus and defocus correcting method | Gohshi Jin | 2012-02-21 |
| 8097825 | Laser cladding apparatus and method | Akio Sato | 2012-01-17 |
| 7983122 | Defocus detection device, defocus detection method and optical disk unit using the same | Motoyuki Suzuki | 2011-07-19 |
| 7903384 | Ground detection circuit for video signal driver to prevent large clamp transistor current | Wee Siong LOW, Jun Tan | 2011-03-08 |
| 7848190 | Optical disc apparatus switching focus point between layers | Yukinobu Tada | 2010-12-07 |
| 7770781 | Bonding method | Yoshinori Shibata, Teruyoshi Ichiyanagi | 2010-08-10 |
| 7710838 | Focus out detecting apparatus and optical disc apparatus using the same | — | 2010-05-04 |
| 7663986 | Servo control signal generation device and an optical disk device using the same | — | 2010-02-16 |
| 7626136 | Powder metal cladding nozzle | Akio Sato, Steffen Nowotny, Siegfried Scharek | 2009-12-01 |
| 7542387 | Defocus detection device, defocus detection method and optical disk unit using the same | Motoyuki Suzuki | 2009-06-02 |
| 7471597 | Optical disc apparatus switching focus point between layers | Yukinobu Tada | 2008-12-30 |
| 7457221 | Optical disc recording/reproduction device | Takeyoshi Kataoka, Motoyuki Suzuki, Fumio Isshiki | 2008-11-25 |
| 7310290 | Tracking learning/adjusting method and optical disk device | Taku Hoshizawa, Fumio Isshiki | 2007-12-18 |
| 7212472 | Focus point switching | Yukinobu Tada | 2007-05-01 |
| 7200075 | Optical disc apparatus switching focus point between layers | Yukinobu Tada | 2007-04-03 |
| 7180330 | Output circuit | Hiroki Kinugawa | 2007-02-20 |
| 7151722 | Optical disc apparatus switching focus point between layers | Yukinobu Tada | 2006-12-19 |
| 7111133 | Control apparatus for selectively operating with program data from two memories and having a system controller supplying program data and address for writing the data to the second memory | Yukinobu Tada, Masato Soma, Dan Aoki | 2006-09-19 |
| 7106666 | Optical disk apparatus and method capable of compensating for instability track jump and focus jump | Yukinobu Tada, Motoyuki Suzuki | 2006-09-12 |
| 6901685 | Method for drying washed objects | Kensuke Yamaguchi, Ki Myung Han | 2005-06-07 |
| 6865141 | Optical disc apparatus switching focus point between layers | Yukinobu Tada | 2005-03-08 |
| 6847231 | Output circuit | Hiroki Kinugawa | 2005-01-25 |
| 6779534 | Apparatus and method for drying washed objects | Kensuke Yamaguchi, Ki Myung Han | 2004-08-24 |
| 6665237 | Control apparatus and optical disc apparatus using it | Yukinobu Tada, Masato Soma, Dan Aoki | 2003-12-16 |