Assignee
Inventors
- Tohru Takahashi (74 patents)
- Masatsugu Inoue (50 patents)
- Kumio Fukuda (20 patents)
- Masaru Nikaido (30 patents)
- Hitoshi Shiozawa (4 patents)
- Akiyoshi Nakamura (26 patents)
- Satoshi Ishikawa (156 patents)
US Patent 6919673 · Granted Jul 19, 2005