Issued Patents 2004
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836830 | Method of data backup in a computer system and a storage system therefor | Kenji Yamagami, Minoru Kosuge, Hiroshi Arakawa, Takashi Oeda, Haruaki Watanabe +1 more | 2004-12-28 |
| 6834496 | Exhaust gas purifying apparatus for internal combustion engine and control method thereof | Koichiro Nakatani, Toshiaki Tanaka, Shinya Hirota, Takamitsu Asanuma, Shunsuke Toshioka +1 more | 2004-12-28 |
| 6823665 | Exhaust gas purification device | Shinya Hirota, Toshiaki Tanaka, Kazuhiro Itoh, Takamitsu Asanuma, Koichiro Nakatani | 2004-11-30 |
| 6823664 | Exhaust gas purification device | Koichiro Nakatani, Shinya Hirota, Akira Mikami, Toshiaki Tanaka, Takamitsu Asanuma +1 more | 2004-11-30 |
| 6820678 | Metal casting fabrication method | Masanobu Ishiduka, Kouta Nishii, Noriyasu Aso, Takayuki Fujiwara | 2004-11-23 |
| 6810461 | Bus system for use with information processing apparatus | Koichi Okazawa, Hitoshi Kawaguchi, Ichiharu Aburano, Kazushi Kobayashi, Tetsuya Mochida | 2004-10-26 |
| 6798469 | Optical element, optical light source unit and optical display device equipped with the optical light source unit | — | 2004-09-28 |
| 6786041 | Exhaust gas purification method and exhaust gas purification apparatus | Kazuhiro Itoh, Toshiaki Tanaka, Shinya Hirota, Koichiro Nakatani | 2004-09-07 |
| 6786271 | Metal object forming method utilizing freezing point depression of molten metal | Masanobu Ishiduka, Noriyasu Aso, Kouta Nishii | 2004-09-07 |
| 6770812 | Metal housing with auxiliary parts glued to housing base | Kota Nishii | 2004-08-03 |
| 6769245 | Exhaust gas purification method | Kazuhiro Itoh, Toshiaki Tanaka, Shinya Hirota, Koichiro Nakatani | 2004-08-03 |
| 6687040 | Light modulating element array and method of driving the light modulating element array | — | 2004-02-03 |
| 6681566 | Exhaust purifying method and apparatus of an internal combustion engine | Kazuhiro Itoh, Toshiaki Tanaka, Shinya Hirota, Takamitsu Asanuma, Koichiro Nakatani | 2004-01-27 |
| 6672050 | Exhaust gas purification device of an engine | Hiroki Murata, Toshio Suematsu, Shizuo Sasaki, Kohei Igarashi, Shinya Hirota +5 more | 2004-01-06 |