Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8137627 | Hydrogen generator and fuel stick | Robert W. Reeve, Darren Paul Scattergood | 2012-03-20 |
| 8017256 | Dual-power-supply system | Junichi Itoh, Kouji Orikawa | 2011-09-13 |
| 6020898 | Information display system for displaying time-series numerical values and graph simultaneously | Akito Saito | 2000-02-01 |
| 5633845 | Optical information recording and reproducing apparatus having reproducing light beams radiated onto regions situated behind and in front of a spot formed by a recording light beam | — | 1997-05-27 |
| 5514856 | Hybrid card having IC chip and optical/magnetic recording region thereon | Toshihiro Kitahara | 1996-05-07 |
| 5442613 | Optical information recording/reproduction apparatus to stop recording operation upon detecting error in access operation to target track | — | 1995-08-15 |
| 5383170 | Optical card recording/reproducing apparatus wherein a data process is made during an access operation | Hisakatsu Tanaka | 1995-01-17 |
| 5380996 | Optical card recording/regenerating method and apparatus for driving optical card with respect to optical head so as to increase or decrease relative speed in at least one of ID divisions of optical card | — | 1995-01-10 |
| 5341354 | Apparatus for recording/reproducing optical information on/from optical card | — | 1994-08-23 |
| 5336872 | Information recording/reproducing apparatus for use in an optical card | — | 1994-08-09 |
| 5324926 | Optical card having alternative information record region | Kaori Ichikawa | 1994-06-28 |
| 5321679 | Apparatus for recording and/or reproducing information on and/or from record medium by using pick-up and method of resetting operational condition of the same | — | 1994-06-14 |
| 5311498 | Recording and reproducing apparatus provided in each data block with a secret information number | — | 1994-05-10 |
| 5285433 | Apparatus with position detecting means for recording and/or reproducing data on and/or from optical card | Mitsuo Oshiba | 1994-02-08 |
| 5272688 | Apparatus for writing and/or reading information on and/or from optical card | — | 1993-12-21 |
| 5204514 | Information recording/reproducing method capable of fast-accessing | — | 1993-04-20 |
| 5144610 | Method of recording data on optical card by performing blank checking without scanning an entire track | — | 1992-09-01 |
| 4885458 | Card-form recording medium and data recording device therefor | Yuichiro Akatsuka, Hisakatsu Tanaka | 1989-12-05 |
| 4680643 | Image display apparatus | — | 1987-07-14 |