Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8907928 | Image display unit and method of detecting object | Kazunori Yamaguchi, Tsutomu Harada, Mitsuru Tateuchi | 2014-12-09 |
| 8665223 | Display device and method providing display contact information based on an amount of received light | Tsutomu Harada, Kazunori Yamaguchi | 2014-03-04 |
| 7965266 | Image display unit and method of detecting object | Kazunori Yamaguchi, Tsutomu Harada, Mitsuru Tateuchi | 2011-06-21 |
| 7705886 | Information processing apparatus and method, recording medium, program, and display device | Tsutomu Harada, Kyohei Iwamoto | 2010-04-27 |
| 7600189 | Display device, display method, and program | — | 2009-10-06 |
| 7190336 | Information processing apparatus and method, recording medium and program | — | 2007-03-13 |
| D465787 | Shutter for an optical disc cartridge | — | 2002-11-19 |
| 6388971 | Disc recording and/or reproducing apparatus and disc reproducing apparatus | — | 2002-05-14 |
| 6137770 | Disk cartridge which has a recess whose height indicates the type of disk contained by the cartridge | — | 2000-10-24 |
| 6014294 | Disc cartridge with clearance groove | — | 2000-01-11 |
| 5963537 | Method of interchangeably using two disc cartridges with two different types of shutters | — | 1999-10-05 |
| 5859834 | Optical disc with magnetic member in a recessed portion thereof and method for producing said optical disc | Kenji Takahashi, Katsuaki Tsurushima, Tadao Yoshida, Kazuhiko Fujiie, Hiroshi Mukawa | 1999-01-12 |
| D403672 | Optical disc cartridge | — | 1999-01-05 |
| D403671 | Optical disc cartridge | — | 1999-01-05 |
| D400868 | Shutter for an optical disc cartridge | — | 1998-11-10 |
| 5822297 | Disc cartridge with locking shutter having an inserting portion | — | 1998-10-13 |
| 5815487 | Disc cartridge | — | 1998-09-29 |
| 5745451 | Disc recording and/or reproducing apparatus | Hiroshi Mukawa, Ryo Ando | 1998-04-28 |
| D392949 | Optical disc cartridge | — | 1998-03-31 |
| D392953 | Shutter for an optical disc cartridge | — | 1998-03-31 |
| D392951 | Optical disc cartridge | — | 1998-03-31 |
| D392950 | Optical disc cartridge | — | 1998-03-31 |
| 5627687 | Objective lens driving apparatus and method for manufacture thereof | — | 1997-05-06 |
| 5581533 | Objective lens actuating device, optical pickup employing the objective lens actuating device and optical disk recording and/or reproducing apparatus employing such optical pickup | — | 1996-12-03 |
| 5577914 | Device for representing braille on information signal recording medium and disc cartridge | Kenji Takahashi | 1996-11-26 |