Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404335 | Apparatus for issuing wireless information storage media | Tadayoshi Ohno | 2002-06-11 |
| 6290138 | Wireless data storage medium with flexible image recording section | Tadayoshi Ohno, Toshio Takagi | 2001-09-18 |
| 6011958 | No-battery information storage medium capable of efficiently transmitting data | Kazuki Iwata, Kiyohito Sudo | 2000-01-04 |
| 5978655 | Information processing apparatus | Seiji Ohura, Tetsuo Saitoh, Masumi Oyama | 1999-11-02 |
| 5966404 | Reader/writer for performing efficient transmission/reception with no-battery information storage medium | Kazuki Iwata, Kiyohito Sudo | 1999-10-12 |
| 5914980 | Wireless communication system and data storage medium | Seiji Ohura, Takanobu Ishibashi, Hiroyasu Uchida, Takafumi Watanabe, Tetsuo Saito | 1999-06-22 |
| 5862174 | Data storage medium | Tetsuo Saitoh | 1999-01-19 |
| 5847662 | Radio card communication apparatus | Tetsuo Saitoh, Seiji Ohura, Takanobu Ishibashi, Hiroyasu Uchida | 1998-12-08 |
| 5469417 | Information recording/reproducing apparatus for recording or reproducing data, and clock generating circuit incorporated therein | Koki Tanoue, Tomohisa Yoshimaru | 1995-11-21 |
| 5452279 | Information recording/reproducing apparatus for recording and reproducing information in accordance with mark interval recording scheme or mark length recording scheme | Katsumi Suzuki, Tomohisa Yoshimaru | 1995-09-19 |
| 5410522 | Information recording/reproducing apparatus for recording information in accordance with mark interval or mark length recording scheme, and for reproducing information recorded in accordance with mark interval or mark length recording scheme | Katsumi Suzuki, Tomohisa Yoshimaru | 1995-04-25 |
| 5386409 | Optical information reproducing apparatus having improved laser oscillation | Katsumi Suzuki | 1995-01-31 |
| 5305298 | Optical data recording/reproducing apparatus with optical irradiation inhibition circuit | — | 1994-04-19 |
| 5249170 | Memory disk and apparatus for recording information on memory disk | Tomohisa Yoshimaru, Hideo Kumagai | 1993-09-28 |
| 5239533 | Information recording medium | Tomohisa Yoshimaru | 1993-08-24 |
| 5199022 | Disk having data memorizing portion including land-shaped and groove-shaped areas, and writing/reading apparatus for the same | Katsumi Suzuki, Tomohisa Yoshimaru | 1993-03-30 |
| 5153869 | Apparatus for recording information on an optical disk with a modified constant linear density system | Tomohisa Yoshimaru | 1992-10-06 |
| 5126993 | Optical data recording/reproducing apparatus including device for preventing erroneous light emission | — | 1992-06-30 |
| 5101392 | Information recording apparatus | Tomohisa Yoshimaru | 1992-03-31 |
| 5088075 | Optical disk apparatus with shortened access time and rotated method | — | 1992-02-11 |
| 5058089 | Memory disk and apparatus for recording information on memory disk | Tomohisa Yoshimaru, Hideo Kumagai | 1991-10-15 |
| 5042023 | Apparatus and method for overwrite prevention | — | 1991-08-20 |
| 4982397 | Apparatus for focusing a light beam onto an information memory medium having a data non-storage area | — | 1991-01-01 |
| 4789856 | Display apparatus with interface cable for transfering image data to CRT in parallel format | Osamu Kondo | 1988-12-06 |
| 4570251 | Overlay recording prevention device for optical disc apparatus | Akira Nakagawa | 1986-02-11 |