Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7209416 | Method and apparatus for optical head and optical information reproducing | Shigeru Nakamura, Kazuo Shigematsu | 2007-04-24 |
| 6967919 | Method and apparatus for optical head and optical information reproducing | Shigeru Nakamura, Kazuo Shigematsu | 2005-11-22 |
| 6947367 | Single means for converting beam widths of plural laser beams with different entry and exit angle with offset | Shigeru Nakamura, Kazuko Shigematsu | 2005-09-20 |
| 6778486 | Laser module, optical head and optical information recording and reproducing apparatus | Susumu Tachibana, Kazuo Shigematsu, Hideo Taguchi, Shigeru Nakamura, Tetsuya Tomobe | 2004-08-17 |
| 6714506 | Method and apparatus for optical head and optical information reproducing | Shigeru Nakamura, Kazuo Shigematsu | 2004-03-30 |
| 6396790 | Optical head and information recording and reproducing apparatus using it | Shigeru Nakamura, Kazuo Shigematsu | 2002-05-28 |
| 6298028 | Optical head and information recording and reproducing apparatus using it | Shigeru Nakamura, Kazuo Shigematsu | 2001-10-02 |
| 5239434 | Magnetic head, bonding glass used therefor and magnetic recording and reproducing apparatus | Takashi Naito, Takashi Namekawa, Kunihiro Maeda, Yasutaka Suzuki, Tsukasa Ohata | 1993-08-24 |