Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7990835 | Optical pickup apparatus, focal-point adjusting method, and optical disc apparatus | Kenji Nagatomi, Katsutoshi Hibino | 2011-08-02 |
| 7969853 | Optical pickup device | Morio Nakatani, Kenji Nagatomi, Yoshiyuki Matsumura | 2011-06-28 |
| 7790644 | Zinc-oxide-based target | Seiji Moriuchi, Norihiko Miyashita, Makoto Ikeda | 2010-09-07 |
| 7754110 | Indium-oxide-based transparent conductive film and method for producing the film | Norihiko Miyashita | 2010-07-13 |
| 7715967 | Hydraulic controller and control method with pressure and oil-condition sensing and failure | Jonggap Kim, Yasushi Yabe | 2010-05-11 |
| 7677997 | Double piston and belt type continuously variable transmission | Takeo Hiramatsu, Yoshihiro Kono, Jonggap Kim, Yasushi Yabe | 2010-03-16 |
| 7601661 | Indium oxide-tin oxide powder and sputtering target using the same | Hiroshi Watanabe | 2009-10-13 |
| 7435200 | Hydraulic pressure control apparatus of belt-drive continuously variable transmission for automotive vehicle | Jonggap Kim, Yasushi Yabe | 2008-10-14 |
| 7124239 | Memory updating system for field device | Yoji Saito, Satoru Ochiai, Masaaki Nikkuni | 2006-10-17 |
| 7008519 | Sputtering target for forming high-resistance transparent conductive film, and method for producing the film | Makoto Ikeda, Hiroshi Watanabe | 2006-03-07 |
| 6693856 | MAGNETO-OPTICAL DISK APPARATUS CAPABLE OF ACCURATE REPRODUCTION OF SIGNAL BY REMOVING MAGNETIC INFLUENCE BY MAGNET INCLUDED IN OPTICAL HEAD AND METHOD OF DETECTING INTENSITY OF MAGNETIC FIELD APPLIED BY MAGNET | Masaaki Shidochi, Kanichi KOYAMA, Yoichi Tsuchiya, Mitsuhiko Maeda, Seiji Kajiyama | 2004-02-17 |
| 6654425 | Method and circuit for digital modulation and method and circuit for digital demodulation | Akiomi Kunisa, Nobuo Itoh | 2003-11-25 |
| 6324138 | Digital disk recording and reproduction apparatus | Yoshihiro Hori, Hisashi Matsuyama, Akiomi Kunisa, Nobuo Itoh, Toshiaki Hioki +6 more | 2001-11-27 |
| 6198710 | Digital recording method, digital disk, digital disk recording device, and digital disk reproducing device | Yoshihiro Hori, Hisashi Matsuyama, Akiomi Kunisa, Nobuo Itoh, Toshiaki Hioki +6 more | 2001-03-06 |
| 6079041 | Digital modulation circuit and digital demodulation circuit | Akiomi Kunisa, Nobuo Itoh | 2000-06-20 |
| 5739779 | Encoding circuit and decoding circuit | Akiomi Kunisa, Nobuo Itoh | 1998-04-14 |
| 5173370 | Magnetic recording medium having a magnetic thin film with both paramagnetic phase and ferromagnetic phase iron nitride with paramagnetic phase zeta Fe.sub.2 N as its largest component | Minoru Kume, Koutaro Matsuura | 1992-12-22 |