Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10781036 | Glass roll with a separable protective sheet | Masahiro Tomamoto, Michiharu Eta, Hidetaka Oda, Tatsuya Takaya, Yasuo Yamazaki +9 more | 2020-09-22 |
| 10711899 | Seal device | Akihiro Komyo, Takehiro Nakagawa | 2020-07-14 |
| 9931816 | Glass roll, device for producing glass roll, and process for producing glass roll | Masahiro Tomamoto, Michiharu Eta, Hidetaka Oda, Tatsuya Takaya, Yasuo Yamazaki +9 more | 2018-04-03 |
| 9082444 | Magnetic recording medium and method of manufacturing a magnetic recording medium | Akira Shimada | 2015-07-14 |
| 8828483 | Manufacturing method for magnetic recording medium, magnetic recording/reproducing device | Manabu Ueda, Akira Sakawaki | 2014-09-09 |
| 8806894 | Process for producing glass roll with a separable protective sheet | Masahiro Tomamoto, Michiharu Eta, Hidetaka Oda, Tatsuya Takaya, Yasuo Yamazaki +9 more | 2014-08-19 |
| 8497006 | Glass roll | Masahiro Tomamoto, Michiharu Eta, Hidetaka Oda, Tatsuya Takaya, Yasuo Yamazaki +9 more | 2013-07-30 |
| 8355223 | Magnetic recording medium, method of manufacturing magnetic recording medium, and magnetic recording/reproducing apparatus | Akira Yamane | 2013-01-15 |
| 8303828 | Method for manufacturing magnetic recording medium and magnetic recording-reproducing apparatus | Masato Fukushima, Akira Yamane | 2012-11-06 |
| 8250736 | Method for manufacturing a magnetic recording medium | Masato Fukushima, Akira Yamane | 2012-08-28 |
| 8241751 | Glass roll and process for producing glass roll | Masahiro Tomamoto, Michiharu Eta, Hidetaka Oda, Tatsuya Takaya, Yasuo Yamazaki +9 more | 2012-08-14 |
| 8034471 | Magnetic recording medium, method of manufacturing magnetic recording medium and magnetic recording reproducing apparatus | Migaku Takahashi, Shin Saito, Yuzo Sasaki, Atsushi Hashimoto, Gohei Kurokawa +2 more | 2011-10-11 |
| 8034472 | Magnetic recording medium, method of manufacturing the same, and magnetic recording/reproducing apparatus | Migaku Takahashi, Shin Saito, Yuzo Sasaki, Atsushi Hashimoto, Gohei Kurokawa +2 more | 2011-10-11 |
| 8007860 | Method for manufacturing magnetic recording medium, and magnetic recording and reproducing apparatus | Yoshiko Takahashi, Naoyuki Imai, Masato Fukushima | 2011-08-30 |
| 7981573 | Reflective mask blank, reflective mask and methods of producing the mask blank and the mask | Tsutomu Shoki, Morio Hosoya, Yuki Shiota, Mitsuhiro Kureishi | 2011-07-19 |
| 7983003 | Magnetic recording medium having soft magnetic layer and perpendicular magnetic recording layer | Yoshiaki Sonobe, Masato Kobayashi, Teiichiro Umezawa | 2011-07-19 |
| 7722998 | Reflective mask blank | Yoichi Usui | 2010-05-25 |
| 7390596 | Reflection type mask blank and reflection type mask and production methods for them | Tsutomu Shoki, Morio Hosoya, Yuki Shiota, Mitsuhiro Kureishi | 2008-06-24 |
| 7348105 | Reflective maskblanks | Yoichi Usui | 2008-03-25 |