Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11364546 | Chuck apparatus | Kazuo Sakamaki, Koji Sakamaki, Kazuki Aoyagi | 2022-06-21 |
| D837011 | Drill chuck | Kazuo Sakamaki, Koji Sakamaki, Koichi Nakano | 2019-01-01 |
| D837012 | Drill chuck | Kazuo Sakamaki, Koji Sakamaki, Koichi Nakano | 2019-01-01 |
| D837013 | Drill chuck | Kazuo Sakamaki, Koji Sakamaki, Koichi Nakano | 2019-01-01 |
| D837014 | Drill chuck | Kazuo Sakamaki, Koji Sakamaki, Koichi Nakano | 2019-01-01 |
| 9865443 | Mass analysis method and inductively coupled plasma mass spectrometer | — | 2018-01-09 |
| 9539648 | Chuck device | Kazuo Sakamaki, Akira Sakamaki | 2017-01-10 |
| 9016699 | Chuck device | Kazuo Sakamaki, Akira Sakamaki | 2015-04-28 |
| 7845428 | Rotating tool | Kazuo Sakamaki, Akira Sakamaki, Kazuki Aoyagi | 2010-12-07 |
| D593390 | Drill chuck | Kazuo Sakamaki, Akira Sakamaki | 2009-06-02 |
| 7497444 | Chuck device | Kazuo Sakamaki, Akira Sakamaki | 2009-03-03 |
| 7420892 | Optical head device, and optical recording/reproducing device | Tetsu Watanabe, Takakiyo Kanazawa, Kenji Yamamoto, Masahiro Yamada | 2008-09-02 |
| 7327662 | Optical pickup and optical disk drive | Takashi Kobayashi | 2008-02-05 |
| 7281320 | Waterproof-seal inserting apparatus | Shigeru Sakaue, Tetsuya Yano, Tadashi Shimooku, Hiroyuki Inoue | 2007-10-16 |
| 7280457 | Optical disc with an improved compound lens | Takashi Kobayashi | 2007-10-09 |
| 7238076 | Method of assembling light-emitting apparatus | Hiroshi Yoshida | 2007-07-03 |
| 7178216 | Keyless chuck and associated method | Kazuo Sakamaki, Akira Sakamaki, Chokichi Sato | 2007-02-20 |
| 7164148 | Light emitting device | Hiroshi Yoshida, Takashi Mizuno | 2007-01-16 |
| 7113471 | Optical pickup device with a plurality of laser couplers | Chiaki Kojima | 2006-09-26 |
| 7038994 | Optical pickup device with a plurality of laser couplers | Chiaki Kojima | 2006-05-02 |
| 6959931 | Keyless chuck and associated method | Kazuo Sakamaki, Akira Sakamaki, Chokichi Sato | 2005-11-01 |
| 6902171 | Chuck device | Kazuo Sakamaki, Akira Sakamaki, Chokichi Sato | 2005-06-07 |
| 6853042 | Hybrid optical element and photodetector device | Hiroshi Yoshida, Masafumi Ozawa | 2005-02-08 |
| 6843485 | Chuck device | Kazuo Sakamaki, Akira Sakamaki, Chokichi Sato | 2005-01-18 |
| 6824141 | Chuck device | Kazuo Sakamaki, Akira Sakamaki, Chokichi Sato | 2004-11-30 |