Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11183206 | Magnetic tape cartridge, recording device, recording method, and data recording, and reproducing system using a recording medium including a predetermined area for recording defect information | Hodaka SUZUKI, Yoichi Akano | 2021-11-23 |
| 11120832 | Recording and reproducing device, recording and reproducing method, and magnetic tape cartridge | Hodaka SUZUKI, Yoichi Akano | 2021-09-14 |
| 7672076 | Servo writer and servo writing method | Takahisa Izumida | 2010-03-02 |
| 7623310 | Magnetic recording medium, servo signal write head unit, and servo writer | — | 2009-11-24 |
| 7602578 | Servo writer and servo writing process | Seiji Tateishi | 2009-10-13 |
| 7515374 | Magnetic tape and manufacturing method thereof, and servo writer | — | 2009-04-07 |
| 7486479 | Magnetic head assembly with at least one guide block set back from sliding surface of servo signal recording head | Takahisa Izumida, Akihiro Hashimoto | 2009-02-03 |
| 7428117 | Servo signal inspecting device and method for inspecting servo signal | — | 2008-09-23 |
| 7379258 | Inspection method of head unit moving device and manufacture method of inspection use tape therefor | Minoru Sueki, Takahisa Izumida | 2008-05-27 |
| 7355805 | Magnetic tape and method of manufacturing magnetic tape, servo writer, and method of and apparatus for specifying servo band | Takahisa Izumida | 2008-04-08 |
| 7187511 | Magnetic tape and manufacturing method thereof, and servo writer | — | 2007-03-06 |
| 7154694 | Servo writer | Minoru Sueki, Takahisa Izumida | 2006-12-26 |
| 7142389 | Tape drive | — | 2006-11-28 |
| 7142388 | Servo writer and servo writing process | Seiji Tateishi | 2006-11-28 |
| 7136254 | Servo write head assembly and servo writer | Takahisa Izumida | 2006-11-14 |
| 7133245 | Servo write head assembly and servo writer | Takahisa Izumida | 2006-11-07 |
| 7012774 | Magnetic tape and servo writer | Takahisa Izumida | 2006-03-14 |
| 6906887 | Record/reproduce equipment of a magnetic tape, a servo control method thereof, a servowriter thereof, and a magnetic tape used in record/reproduce equipment | — | 2005-06-14 |
| 6865050 | Servo signal recording device and servo signal verifying device using edge detection | Seiji Tateishi | 2005-03-08 |
| 5888637 | Magnetic recording medium tape favorably employable for computer data storage | Yutaka Kakuishi, Satoru Hayakawa | 1999-03-30 |
| 5045541 | Fused pyridazine compounds and their pharmaceutical use | Minoru Kawakami, Masao Hisadome, Tetsuya Tahara | 1991-09-03 |
| 4965264 | Thienocinnoline compounds and their pharmaceutical use | Kenji Morita, Masao Hisadome, Shuzo Takehara | 1990-10-23 |
| 4931443 | Piperazine compound and pharmaceutical use thereof | Kenji Morita, Minoru Obata, Yasuto Morimoto | 1990-06-05 |
| 4849421 | Anti-anxiety benzothiepino(5,4-c]pyridazines | Minoru Kawakami, Minoru Obata, Kenji Morita | 1989-07-18 |
| 4843075 | Benzothiopyrano[4,3-c]pyridazine compounds, methods for preparing said compounds and uses of said compounds | Minoru Kawakami, Yasuto Morimoto, Shuzo Takehara, Tetsuya Tahara | 1989-06-27 |