Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9409809 | Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk, glass blank for magnetic disk | Hidekazu Tanino, Akira Murakami, Takashi Sato, Masamune Sato | 2016-08-09 |
| 9336810 | Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk | Hidekazu Tanino, Akira Murakami, Takashi Sato, Masamune Sato, Masaru Onishi | 2016-05-10 |
| 9242888 | Manufacturing method of glass blank for magnetic disk, manufacturing method of glass substrate for magnetic disk, glass blank for magnetic disk, glass substrate for magnetic disk, and magnetic disk | Hidekazu Tanino, Akira Murakami, Takashi Sato, Masamune Sato | 2016-01-26 |
| 9153269 | Method for manufacturing glass substrate for magnetic disk | Hidekazu Tanino, Akira Murakami, Takashi Sato, Masamune Sato | 2015-10-06 |
| 9085479 | Glass substrate for magnetic disk and manufacturing method thereof | Shinji Eda | 2015-07-21 |
| 9085486 | Glass substrate for a magnetic disk and magnetic disk | Shinji Eda, Takashi Maeda, Hiroshi Tsuchiya, Yoshinori Marumo | 2015-07-21 |
| 9003834 | Glass substrate for magnetic disk and manufacturing method thereof | Shinji Eda | 2015-04-14 |
| 8973404 | Manufacturing method of glass substrate for magnetic disk, manufacturing method of glass blank, glass substrate for magnetic disk, and glass blank | Shinji Eda | 2015-03-10 |
| 8869559 | Method of manufacturing a glass substrate for magnetic disk | Shinji Eda | 2014-10-28 |
| 8844320 | Manufacturing method of a sheet glass material for magnetic disk and manufacturing method of a glass substrate for magnetic disk | Hidekazu Tanino | 2014-09-30 |
| 8806895 | Manufacturing method for a glass substrate for magnetic disk | Shinji Eda, Akira Murakami | 2014-08-19 |
| 8806893 | Manufacturing method of a glass blank for magnetic disk and manufacturing method of a glass substrate for magnetic disk | Akira Murakami, Shinji Eda | 2014-08-19 |
| 8800320 | Manufacturing method of a sheet glass material for magnetic disk and manufacturing method of a glass substrate for magnetic disk | Hidekazu Tanino | 2014-08-12 |
| 8783063 | Glass substrate for magnetic disk and manufacturing method of the same | Kinobu Osakabe, Katsuyuki Iwata, Shinji Eda, Kenichiro Terada | 2014-07-22 |
| 8785010 | Glass substrate for a magnetic disk and magnetic disk | Shinji Eda, Takashi Maeda, Hiroshi Tsuchiya, Yoshinori Marumo | 2014-07-22 |
| 8733129 | Glass substrate for magnetic disk and manufacturing method thereof | Shinji Eda | 2014-05-27 |
| 8728638 | Magnetic disk substrate, method for manufacturing the same, and magnetic disk | Hiroshi Tsuchiya | 2014-05-20 |
| 8652660 | Glass substrate for magnetic recording medium and its use | Kinobu Osakabe, Katsuyuki Iwata, Mikio Ikenishi, Naomi Matsumoto | 2014-02-18 |
| 8640497 | Method of manufacturing glass substrate for magnetic disk and system for manufacturing glass substrate for magnetic disk | Ryuuichi Kashima, Shinji Eda, Tomotaka Yokoyama, Tadashi Tomonaga, Kraisorn Phandon +1 more | 2014-02-04 |
| 8567216 | Manufacturing method of a sheet glass material for magnetic disk, manufacturing method of a glass substrate for magnetic disk | — | 2013-10-29 |
| 8499583 | Method of manufacturing magnetic-disk glass substrate and method of manufacturing magnetic disk | — | 2013-08-06 |
| 8413464 | Method for producing glass substrate for magnetic disk and method for producing magnetic disk | Katsuyuki Iwata, Kenichiro Terada | 2013-04-09 |
| 8119267 | Glass substrate for magnetic disk and manufacturing method of the same | Kinobu Osakabe, Katsuyuki Iwata, Shinji Eda, Kenichiro Terada | 2012-02-21 |
| 7891212 | Magnetic disk glass substrate | — | 2011-02-22 |
| 7703303 | Magnetic disk glass substrate manufacturing method | Shinji Eda, Kazuhiko Maeda, Naohiro Kamiya, Nobuyuki Eto | 2010-04-27 |