Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6695212 | Printed material with railway route chart printed thereon, information presenting method, information presentation system, information resource, and ticket issuing method | Mutsumi Kikuchi | 2004-02-24 |
| 6354499 | Code Image reading apparatus | Takeshi Mori | 2002-03-12 |
| 6037915 | Optical reproducing system for multimedia information | Shinichi Imade, Hiroyoshi Fujimori | 2000-03-14 |
| 6023539 | Code reading apparatus having optimal battery voltage detection function | Yoshikazu Ohnami, Takeshi Mori, Akira Matsui | 2000-02-08 |
| 5886335 | Manual scanning apparatus for reading an optical code representing multimedia information | — | 1999-03-23 |
| 5767494 | Information reproduction system for reproducing multimedia information recorded with optically readable code | Tatsuo Nagasaki, Yasuo Nakajoh | 1998-06-16 |
| 5559775 | Clock detection device of information recording/reproducing apparatus and clock detection device of information recording apparatus | — | 1996-09-24 |
| 5520917 | Materials in the form of colored spherical fine particles | Masaaki Mizuguchi, Hiroko Ohbayashi, Tsuyoshi Ogihara | 1996-05-28 |
| 5420849 | Apparatus for reproducing data from optical data recording medium | — | 1995-05-30 |
| 5352881 | Focus control device in optical recording and reproducing apparatus having an optical-beam-position judging device | — | 1994-10-04 |
| 5329508 | Regenerating device for optical recording medium in which overlapping regions are read out by a light beam in a time sharing manner to provide servo control of the positional relationship between the light beam and the medium | — | 1994-07-12 |
| 5303222 | Optical record reproducing apparatus including automatic light amount control | — | 1994-04-12 |
| 5181196 | Erase mark detecting circuit for detecting an erase mark superimposed on data recorded on a sector of an optical recording medium | — | 1993-01-19 |
| 5164933 | Reading signal processing circuit in optical information reproducing apparatus | — | 1992-11-17 |
| 5105417 | Apparatus for reproducing information out of optical record medium | Isamu Misawa | 1992-04-14 |
| 5091635 | Optical record medium including a data region, an identification region and a control data region, and a method of recording signals on the optical record medium | Yuichiro Akatsuka, Takayuki Abe, Takao Rokutan, Nagahiro Gocho | 1992-02-25 |
| 5047754 | Display apparatus for displaying a position indicating mark over a plurality of display screens | Yuichiro Akatsuka, Takefumi Sakurada | 1991-09-10 |
| 4803475 | Image display apparatus | — | 1989-02-07 |
| 4802018 | Electronic marking apparatus for identifying a selected image from a plurality of electronically stored images | Kowji Tanikawa, Tadashi Kato, Masahide Kanno, Hiroyuki Yashima, Takao Rokutan +3 more | 1989-01-31 |
| 4672683 | Image retrieval and registration system | — | 1987-06-09 |