Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12106588 | Substance preparation evaluation system | Takayuki Mizutani, Shigeru Fujii, Kazuki Umebara, Marie Willette, Leila Nazemi | 2024-10-01 |
| 11954925 | Substance preparation evaluation system | Takayuki Mizutani, Shigeru Fujii, Kazuki Umebara | 2024-04-09 |
| 11263433 | Substance preparation evaluation system | Takayuki Mizutani, Leila Nazemi, Arthur Conan Dewitt, Stephanie Yancey, Marie Willette +4 more | 2022-03-01 |
| 8913242 | Fine particle measurement device | — | 2014-12-16 |
| 8466435 | Fine particle measuring device | Mitsuru Toishi, Koji Takasaki, Shinji Yamada, Atsushi Fukumoto | 2013-06-18 |
| 8411548 | Optical pickup and optical disc apparatus | Kazuhiko Nemoto, Tamotsu Ishii | 2013-04-02 |
| 8384045 | Minute particle analyzing device and method | Koji Takasaki, Mitsuru Toishi, Shinji Yamada, Atsushi Fukumoto, Gary Durack | 2013-02-26 |
| 8289826 | Optical pickup and optical disc apparatus | Kazuhiko Nemoto, Midori Kanaya, Tamotsu Ishii | 2012-10-16 |
| 8169713 | Zoom lens, camera module and electronic apparatus | Yoshiki Okamoto, Mamoru Suzuki, Akira Suzuki | 2012-05-01 |
| 8014076 | Variable focal length lens, camera module, and electronic apparatus | Akira Suzuki, Fumisada Maeda, Mamoru Suzuki, Kayoko Tanaka | 2011-09-06 |
| 7986593 | Optical integrated device, method for detecting light, optical pickup, and optical disc apparatus | Takashi Kobayashi, Midori Kanaya | 2011-07-26 |
| 7859953 | Optical pickup and optical disc apparatus | — | 2010-12-28 |
| 7800986 | Optical pickup and optical disc apparatus | Takashi Kobayashi, Yoshiki Okamoto, Noriyuki Kato | 2010-09-21 |
| 7778141 | Optical pickup, optical disc device, polarization adjustment plate, and optical device | Takashi Kobayashi, Yoshiki Okamoto | 2010-08-17 |
| 7684305 | Optical pickup, optical recording and reproducing apparatus and tracking error signal detecting method | Yoshiki Okamoto | 2010-03-23 |
| 7492676 | Optical pickup and optical disc apparatus including the same | Yoshiki Okamoto | 2009-02-17 |
| 7336432 | Optical pickup and optical disc device | Yoshiaki Kato, Yoshiki Okamoto, Takeshi Yonezawa | 2008-02-26 |
| 6312780 | Optical recording medium | Yutaka Kasami, Osamu Kawakubo | 2001-11-06 |
| 6246644 | Optical pickup and method for manufacturing optical pickup | — | 2001-06-12 |
| 6160776 | Optical recording medium, and method of manufacturing optical recording medium | — | 2000-12-12 |
| 6055218 | Recording medium having track formed of land portion and groove portion, and reproducing apparatus therefor | Toru Takeda, Akira Shimazu, Shinichi Yamamura | 2000-04-25 |
| 5742577 | Prism has a plurality of reflective regions each with a predetermined phase difference | Hideyoshi Horimai, Kimihiro Saito, Kiyoshi Toyota | 1998-04-21 |
| 5648944 | Recording/reproducing apparatus that utilizes the servo clock signals to form read and write clock signals with different frequencies | Kiyoshi Ohmori, Tetsu Watanabe, Junichi Kudo | 1997-07-15 |
| 5627810 | Recording/reproducing apparatus that forms read and write clock signals with differing frequencies from the servo clock signals | Kiyoshi Ohmori, Tetsu Watanabe, Junichi Kudo | 1997-05-06 |
| 5577018 | Phase changing apparatus and optical pickup apparatus for magneto-optic storage device using same | Hideyoshi Horimai, Kimihiro Saito, Kiyoshi Toyota | 1996-11-19 |