Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580667 | Magneto-optical reproducing head having a plural transfer facing surfaces and insulation gaps | — | 2003-06-17 |
| 6577560 | Magneto-optic recording medium in which magnetic partition tracks are removed for high track density | Akihiro Itakura | 2003-06-10 |
| 6426930 | Information recording method and information recording apparatus therefor | Tsutomu Tanaka, Takuya Kamimura | 2002-07-30 |
| 6377533 | Recording device utilizing inter-symbol interference | Yoshihiro Hori | 2002-04-23 |
| 6180268 | Magneto-optical recording medium | Ken Tamanoi | 2001-01-30 |
| 6151282 | Clock matching apparatus for a data reproduction system | Kenichi Hamada, Satoshi Furuta, Toru Fujiwara | 2000-11-21 |
| 6103407 | Magneto-optical recording medium and method of using same | Haruhiko Izumi, Tomonori Ikeya, Tsutomu Tanaka, Toshio Sugimoto, Ken Tamanoi | 2000-08-15 |
| 5986987 | PRML readout system for optical disk | Haruhiko Izumi | 1999-11-16 |
| 5959942 | Method and apparatus for reading a magneto-optical recording medium with asymmetrical edges | Akihiro Itakura, Ken Tamanoi | 1999-09-28 |
| 5883863 | Magneto-optical reading method and apparatus and magneto-optical recording medium used for execution of the method | Akihiro Itakura | 1999-03-16 |
| 5872754 | Data reproduction apparatus | Michio Matsuura, Yoshihide Fujita, Akihiro Itakura | 1999-02-16 |
| 5871855 | Magneto-optical recording medium and method of using same | Haruhiko Izumi, Tomonori Ikeya, Tsutomu Tanaka, Toshio Sugimoto, Ken Tamanoi | 1999-02-16 |
| 5854775 | Magneto-optic disk recording system having improved duty ratio controller | Haruhiko Izumi, Masaharu Moritsugu | 1998-12-29 |
| 5850377 | Data readout system for optical disk having maximum likehood data detecting circuit | Haruhiko Izumi | 1998-12-15 |
| 5812501 | Optical recording medium having a non-volatile identification code and method for encoding data using same | Mineo Moribe, Haruhiko Izumi, Iwao Tsugawa | 1998-09-22 |
| 5796693 | Data reproduction apparatus and data reproduction method | Michio Matsuura, Yoshihide Fujita, Akihiro Itakura | 1998-08-18 |
| 5745464 | Edge position data reproduction apparatus | Haruhiko Izumi | 1998-04-28 |
| 5740154 | Magnetooptical record medium having adjacent header signals | Haruhiko Izumi, Michio Matsuura, Yoshihide Fujita, Akihiro Itakura | 1998-04-14 |
| 5680380 | Data readout system for optical disk having maximum likelihood data detecting circuit | Haruhiko Izumi | 1997-10-21 |
| 5675565 | Data reproduction method and apparatus | Haruhiko Izumi | 1997-10-07 |
| 5661703 | Optical recording medium having a non-volatile identification code and method for encoding data using same | Mineo Moribe, Haruhiko Izumi, Iwao Tsugawa | 1997-08-26 |
| 5598392 | Data reproduction system synchronized by recording data | Haruhiko Izumi | 1997-01-28 |
| 5503697 | Method for pressure-adhering a joint portion of a tire building component material | Tsutomu Iseki, Youichi Endo | 1996-04-02 |
| 5428594 | Magneto-optic recording method and apparatus utilizing a two-state modulated light beam | Haruhiko Izumi, Masaharu Moritsugu | 1995-06-27 |
| 5417795 | Apparatus for pressure-adhering a joint portion of a tire building component material | Tsutomu Iseki, Youichi Endo | 1995-05-23 |