Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12204200 | Polarizer and image display device | Wataru HOSHINO, Yoshiaki Takada, Yuzo FUJIKI, Yasuhiro Ishiwata, Takashi Katou +1 more | 2025-01-21 |
| 12085742 | Anisotropic light absorption film and laminate | Yumi Katou, Shinichi Morishima, Wataru HOSHINO, Jun Takeda, Yuzo FUJIKI | 2024-09-10 |
| 12065605 | Liquid crystal composition, dichroic material, light absorption anisotropic film, laminate, and image display device | Takashi Katou, Yoshiaki Takada, Keigo SHIGA | 2024-08-20 |
| 12032188 | Optically anisotropic film, optical film, and display device | Wataru HOSHINO, Madoka Kawai, Shinya Watanabe, Takuya Inoue, Naoya Nishimura | 2024-07-09 |
| 11921369 | Polarizer and image display device | Wataru HOSHINO, Yoshiaki Takada, Yuzo FUJIKI, Yasuhiro Ishiwata, Takashi Katou +1 more | 2024-03-05 |
| 11768323 | Polarizer and image display device | Wataru HOSHINO, Yoshiaki Takada, Yasuhiro Ishiwata, Yuzo FUJIKI | 2023-09-26 |
| 11543697 | Polarizer and image display device | Yuzo FUJIKI, Wataru HOSHINO | 2023-01-03 |
| 11339329 | Polarizer and image display device | Wataru HOSHINO, Yoshiaki Takada | 2022-05-24 |
| 11006839 | Biometric information sensor | Hirofumi Tsuchimoto | 2021-05-18 |
| 11001653 | Optical film, polarizing plate, and image display device | Ayako MURAMATSU, Hiroshi Sato, Takashi Komiyama, Keita Takahashi | 2021-05-11 |
| 10692522 | Magnetic recording medium having characterized magnetic layer and method for manufacturing same | Toshio Tada, Norihito Kasada, Masahito Oyanagi, Akinori SUGISHIMA | 2020-06-23 |
| 10651617 | Rotary connector and method for assembling same | Toshiaki Asakura | 2020-05-12 |
| 10588522 | Biological sensor | Hirofumi Tsuchimoto, Takanori Hayashi, Hiroyuki Nakaji | 2020-03-17 |
| 10554003 | Rotary connector | Toshiaki Asakura | 2020-02-04 |
| 9158242 | Image forming apparatus | — | 2015-10-13 |
| 6297920 | Information reproduction apparatus | Kuniko Yamamoto | 2001-10-02 |
| 5982592 | Magnetic tape stabilizer for a recording and playback device | Ikushi Nakashima, Toshio Kano, Takashi Sato, Shinji Masugi | 1999-11-09 |
| 5917684 | Magnetic head apparatus, tape cartridge and recording/reproducing apparatus for increasing tape stability | Takashi Sato, Osamu Koizumi, Masanori Sato | 1999-06-29 |
| 5872692 | Recording/reproducing apparatus, magnetic head and tape cartridge | Ikushi Nakashima, Osamu Koizumi, Masanori Sato, Shinji Masugi, Noriko Nakazawa | 1999-02-16 |
| 5850316 | Tape cartridge and driving system having rotation detection unit for drive roll to maintain constant contact pressure with the capstan roll | Masanori Sato, Osamu Koizumi | 1998-12-15 |
| 5847906 | Recording/reproducing apparatus, magnetic head and tape cartridge | Ikushi Nakashima, Osamu Koizumi, Masanori Sato, Shinji Masugi, Noriko Nakazawa | 1998-12-08 |
| 5785268 | Tape cartridge with tape tension differential attenuating tape guide arrangement | Masanori Sato | 1998-07-28 |
| 5287240 | Tape cassette | Osamu Koizumi, Kazuo Sasaki, Masayuki Itabashi | 1994-02-15 |
| 5239436 | Tape cartridge with increased tape capacity | Taizo Aizawa, Osamu Koizumi, Takayasu Hirano | 1993-08-24 |
| 5204796 | Tape cassette with tape tension controlled by grease of a specified range of viscosity | Osamu Koizumi, Kazuo Sasaki, Masayuki Itabashi | 1993-04-20 |