Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12349328 | Electric-wave absorber and manufacturing method for electric-wave absorber | Masayuki TOYODA | 2025-07-01 |
| 12176131 | Electromagnetic wave absorber | Toshio HIROI | 2024-12-24 |
| 12019110 | Measurement system and radio wave blocking unit | Masayuki TOYODA, Issei WATANABE | 2024-06-25 |
| 11804659 | Electromagnetic wave absorbing composition, and electromagnetic wave absorption body | Toshio HIROI | 2023-10-31 |
| 11587705 | Electromagnetic wave absorbing composition and electromagnetic wave absorbing body | Toshio HIROI | 2023-02-21 |
| 11515643 | Electromagnetic-wave-absorbing sheet | Toshio HIROI | 2022-11-29 |
| 11477925 | Electromagnetic wave absorbing sheet | Masayuki TOYODA | 2022-10-18 |
| 11152711 | Electromagnetic-wave-absorbing sheet | Toshio HIROI | 2021-10-19 |
| 11100948 | Coating-type magnetic recording medium for heat-assisted recording, and heat-assisted magnetic recording apparatus and heat-assisted magnetic recording method using the same | Shinji Kawakami, Toshio HIROI | 2021-08-24 |
| 10861487 | High recording density magnetic recording medium and recording/reproduction mechanism for the same | Shinji Kawakami, Toshio Kawakita | 2020-12-08 |
| 10716247 | Electromagnetic absorber | Toshio HIROI | 2020-07-14 |
| 10614847 | Magnetic recording medium | Shinji Kawakami, Toshio HIROI | 2020-04-07 |
| 9767835 | Magnetic recording medium | Kenji Tanaka, Sadamu Kuse | 2017-09-19 |
| 9311946 | Magnetic recording medium | Kenji Tanaka, Sadamu Kuse | 2016-04-12 |
| 8593754 | Magnetic tape driving apparatus having a head displacing portion | Sadamu Kuse | 2013-11-26 |
| 8383526 | Sheet for total heat exchanger | Fumio Miyagoshi, Hidenao Saito, Hirokuni Tajima, Sadao Odajima | 2013-02-26 |
| 8159776 | Magnetic tape driving apparatus comprising a tape separation portion that separates a magnetic tape from a magnetoresistive head unit | Sadamu Kuse | 2012-04-17 |
| 8130463 | Data recording apparatus and data recording method | Kenji Tanaka, Sadamu Kuse | 2012-03-06 |
| 8081559 | Recording and reproducing apparatus and recording medium | Kenji Tanaka, Shinji Kawakami, Sadamu Kuse | 2011-12-20 |
| 8068308 | Servo signal recording apparatus, information recording apparatus, and tracking servo method | Shinji Kawakami, Toshio Kawakita, Sadamu Kuse | 2011-11-29 |
| 8027115 | Data recording apparatus for recording a data signal onto a magnetic recording medium and data recording system using the data recording apparatus | Kenji Tanaka, Sadamu Kuse | 2011-09-27 |
| 7994344 | Intermediates for the production of optically active cyclopropylamine derivatives and process for the production of the intermediates | Yutaka Kitagawa, Makoto Muto | 2011-08-09 |
| 7808736 | Servo signal recording apparatus, servo signal recording method, and magnetic tape | Kenji Tanaka, Kenichiro Yoshida, Sadamu Kuse | 2010-10-05 |
| 7701655 | Servo signal recording method, servo signal recording apparatus, and magnetic recording medium | Kenji Tanaka, Seigi Kawarai | 2010-04-20 |
| 7569599 | Intermediates for the production of optically active cyclopropylamine derivatives and process for the production of the intermediates | Yutaka Kitagawa, Makoto Muto | 2009-08-04 |