Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8032802 | Storage device, memory, terminal, server, server-client system, storage medium, and control device | — | 2011-10-04 |
| 7362677 | Information record medium and information writing/reading apparatus | Ryouta Akiyama | 2008-04-22 |
| 7301855 | Apparatus and method for storing ROM and RAM data into magneto-optical recording medium | Nobuhide Aoyama | 2007-11-27 |
| 7154824 | Storage apparatus | Nobuhide Aoyama, Ryota Akiyama, Tetsuo Hosokawa | 2006-12-26 |
| 6781949 | Optical information storage medium having lands and grooves both serving as recording tracks | — | 2004-08-24 |
| 6507549 | Device for reading from and/or writing to optical recording media | Friedhelm Zucker, Christian Buchler | 2003-01-14 |
| 6504811 | Optical information storage unit | — | 2003-01-07 |
| 6392972 | Optical storage unit having a dual position optical phase adjuster | Satoshi Yamashita, Motohiro Ito | 2002-05-21 |
| 6266301 | Optical storage device and optical head having TES compensation shift signal compensation | — | 2001-07-24 |
| 6226257 | Optical information storage medium having lands and grooves both serving as recording tracks | — | 2001-05-01 |
| 6167018 | Optical information storage apparatus having cylindrical lens for eliminating astigmatism generated by polarization beam splitter and newly generating astigmatism | Hideki Nishimoto, Hirataka Ukai | 2000-12-26 |
| 6118748 | Optical information storage unit having phase compensation means for applying different phase compensation quantities with respect to signals detected from land and groove of recording medium | — | 2000-09-12 |
| 6115330 | Optical information storage unit for recording and/or reproducing information on both the lands and the grooves of an optical medium | — | 2000-09-05 |
| 6108280 | Optical information storage unit | — | 2000-08-22 |
| 6094412 | Optical information storage unit | — | 2000-07-25 |
| 6091693 | Optical recording medium and optical information storage unit | — | 2000-07-18 |
| 6091692 | Optical information storage apparatus | — | 2000-07-18 |
| 5898661 | Optical information storage unit | — | 1999-04-27 |
| 5870353 | Magneto-optic recording medium, having the lands and grooves magnetized in one direction | Nobuhide Aoyama | 1999-02-09 |
| 5831942 | Phase compensation adjustor for magneto-optical recording device | Nobuhide Aoyama | 1998-11-03 |
| 5822292 | Multi beam track system and method for an optical memory | Nakao Akutsu, Yoshiharu Chikazawa, Akira Kawamura | 1998-10-13 |
| 5812519 | ROM-RAM Disk | Akira Kawamura, Friedhelm Zucker | 1998-09-22 |
| 5715232 | Recording and reproduction of items of information using ROM-RAM storage media | Yoshiharu Chikazawa, Akira Kawamura, Friedhelm Zucker, Christian Buchler | 1998-02-03 |
| 5502708 | Optical scanning device | — | 1996-03-26 |
| 5459707 | Read/write CD ROM system using an electro-optic modulator to crosstalk | — | 1995-10-17 |