Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7924685 | Objective lens | Mitsuhiro Miyauchi, Mitsuru Ito, Naofumi Ueda | 2011-04-12 |
| 7855940 | Pickup lens with phase compensator and optical pickup apparatus using the same | Koichiro Wakabayashi, Keiko Hirao, Mitsuhiro Miyauchi, Yutaka Makino, Yoshikazu Mitsui | 2010-12-21 |
| 7787349 | Optical pickup lens and optical pickup apparatus | Koichiro Wakabayashi, Mitsuhiro Miyauchi, Yutaka Makino | 2010-08-31 |
| 7755998 | Optical pickup system, optical head, optical disk apparatus, and objective lens | Yoshiaki Minakawa, Mitsuhiro Miyauchi, Koichiro Wakabayashi | 2010-07-13 |
| 7733578 | Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same | Takesuke Maruyama | 2010-06-08 |
| 7619836 | Imaging lens unit | Yoshiaki Minakawa | 2009-11-17 |
| 7606120 | Objective lens, optical head, optical system, and design method for objective lens | Yutaka Makino | 2009-10-20 |
| 7586815 | Pickup lens with phase compensator and optical pickup apparatus using the same | Koichiro Wakabayashi, Keiko Hirao, Mitsuhiro Miyauchi, Yutaka Makino, Yoshikazu Mitsui | 2009-09-08 |
| 7446958 | Imaging lens unit | Yoshiaki Minakawa | 2008-11-04 |
| 7414796 | Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same | Takesuke Maruyama | 2008-08-19 |
| 7411743 | Multi-wavelength lens, and optical system, optical head and optical disc apparatus using the lens | — | 2008-08-12 |
| 6965482 | Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same | Takesuke Maruyama | 2005-11-15 |
| 6836378 | Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same | Takesuke Maruyama | 2004-12-28 |
| 6721242 | Optical detector having three light receiving areas | Kunikazu Ohnishi, Takeshi Shimano, Shigeru Nakamura, Masayuki Inoue, Yukio Fukui +2 more | 2004-04-13 |
| 6678096 | Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same | Takesuke Maruyama | 2004-01-13 |
| 6507009 | Optical detector, signal processing circuit and optical information reproduction apparatus thereof | Kunikazu Ohnishi, Takeshi Shimano, Shigeru Nakamura, Masayuki Inoue, Yukio Fukui +2 more | 2003-01-14 |
| 5872761 | Optical disk apparatus and optical head thereof | Toshio Sugiyama, Nobuo Imada, Hidenori Shinohara, Yukio Fukui | 1999-02-16 |
| 5699341 | Optical disk apparatus and optical head thereof | Toshio Sugiyama, Nobuo Imada, Hidenori Shinohara, Yukio Fukui | 1997-12-16 |
| 5301064 | Rear focusing type zoom lens system | Yoshiaki Tachibana | 1994-04-05 |