Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345550 | Absolute encoder | — | 2025-07-01 |
| 12292311 | Absolute encoder | Kaoru NISHIGUCHI, Takahiro OHARA | 2025-05-06 |
| 12104928 | Absolute encoder | Katsunori Saito, Hiroki Negishi, Norikazu Sato | 2024-10-01 |
| 12092453 | Absolute encoder | Katsunori Saito, Hiroki Negishi, Norikazu Sato | 2024-09-17 |
| 11913784 | Reduction mechanism and absolute encoder | Hiroki Negishi, Katsunori Saito, Norikazu Sato | 2024-02-27 |
| 11906300 | Absolute encoder | Katsunori Saito, Hiroki Negishi, Norikazu Sato | 2024-02-20 |
| 11852511 | Absolute encoder | Yujin ISHI | 2023-12-26 |
| 11561117 | Absolute encoder for detecting rotation angle | — | 2023-01-24 |
| 11404938 | Angle detection apparatus, rotation amount specification unit, and rotary driving unit | Hiroyuki Hishiyama | 2022-08-02 |
| 11365984 | Absolute encoder | — | 2022-06-21 |
| 11079257 | Absolute encoder and method for determining rotation amount | — | 2021-08-03 |
| 9173030 | Speaker system and speaker driving method | Nobukazu Suzuki, Yoshio Ohashi, Akihisa Inatani, Terutaka Yana, Yutaka Miki | 2015-10-27 |
| 8139171 | Audio/display device | Yutaka Sato | 2012-03-20 |
| 8092060 | Cradle | — | 2012-01-10 |
| 8083195 | Cradle device and electronic equipment support device | — | 2011-12-27 |
| 7677354 | Electronic apparatus having speaker unit incorporated therein | Yutaka Sato | 2010-03-16 |
| 7313800 | Disk centering system | Akihisa Inatani, Toshimasa Takahashi, Yasuhiro Suda, Hiromu Watanabe, Yutaka Shimada +2 more | 2007-12-25 |
| 7249362 | Disk chucking mechanism and disk drive device with increased positional accuracy | — | 2007-07-24 |
| 7219360 | Disc chucking mechanism and disc drive apparatus having the same | Hiromu Watanabe | 2007-05-15 |
| 7174559 | Disk drive with optical pickup guiding and disk table restricting element | — | 2007-02-06 |
| 7103895 | Optical pickup device, and recorder and/or player | Yutaka Shimada | 2006-09-05 |
| 7020059 | Adjustment optical disc for optical pick-up, adjustment method for optical pick-up, and adjustment apparatus for optical pick-up | Junzo Kumakura, Hideo Nagasaka, Shuichi Hirosawa, Yoshihiro Kajiyama | 2006-03-28 |
| 7012868 | Adjustment optical disc for optical pick-up, adjustment method for optical pick-up, and adjustment apparatus for optical pick-up | Junzo Kumakura, Hideo Nagasaka, Shuichi Hirosawa, Yoshihiro Kajiyama | 2006-03-14 |
| 7006410 | Optical disk for adjusting optical pickup, method for adjusting optical pickup, and device for adjusting optical pickup | Junzo Kumakura, Hideo Nagasaka, Shuichi Hirosawa, Yoshihiro Kajiyama | 2006-02-28 |
| 6983473 | Optical pickup device and recording and/or reproducing device | Hideo Nagasaka | 2006-01-03 |