Assignee
Inventors
- Osamu Kawai (46 patents)
- Kazuo Yamamoto (225 patents)
- Katsuyasu Ono (46 patents)
- Masuo Matsuki (30 patents)
- Hiroyuki Saito (357 patents)
- Yuichi Takimizu (1 patents)
- Yukio Suzuki (86 patents)
US Patent 6467850 · Granted Oct 22, 2002