Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7729227 | Diffractive element, method of manufacturing the same, optical pickup device, and optical disc apparatus | Noriaki Seki, Eizo Ono | 2010-06-01 |
| 6955429 | Ink-jet recording head, ink cartridge, and recording apparatus | Mamoru Soga, Hidekazu Arase, Masaichiro Tatekawa | 2005-10-18 |
| 5137784 | Magnetic record medium with a magnetic layer coated with successive layers of carbon, organic amine, and fluoro lubricant | Takashi Suzuki, Yoshiaki Kai, Mikio Murai, Kiyoshi Takahashi, Hidetoshi Matsumoto | 1992-08-11 |