Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12394440 | Magnetic disk device and method for manufacturing magnetic disk device | Kotaro KITAWAKI, Ryohei Yamada, Hideyuki Hatakeyama | 2025-08-19 |
| 12205616 | Impact resistant magnetic disk device and method for manufacturing impact resistant magnetic disk device | Kotaro KITAWAKI, Ryohei Yamada, Hideyuki Hatakeyama | 2025-01-21 |
| 12087342 | Aluminum alloy disc blank for magnetic disc and magnetic disc | Kotaro KITAWAKI, Ryo Sakamoto, Wataru Kumagai, Hideyuki Hatakeyama, Ryohei Yamada +1 more | 2024-09-10 |
| 8124258 | Glass substrate for magnetic disk | Yasuhiro Naka | 2012-02-28 |
| 7695200 | Connecting member | Yasuhiro Naka, Takashi Shigematu, Takayuki Ando, Yoshimi Ono | 2010-04-13 |
| 7527434 | Connecting member | Yasuhiro Naka, Takashi Shigematu, Takayuki Ando, Yoshimi Ono | 2009-05-05 |
| 6644069 | Method of heating and processing an end of an optical fiber preform and apparatus for heating and processing an end of an optical fiber preform | Yukio Kohmura, Masahide Kuwabara, Kiyoshi Arima, Yasuhiro Naka | 2003-11-11 |
| 6639658 | Method for detecting defect of optical fiber | Yasuhiro Naka, Akira Aikawa | 2003-10-28 |
| 6600554 | Method for detecting defect of optical fiber | Yasuhiro Naka, Akira Aikawa | 2003-07-29 |