Assignee
Inventors
- Tetsuya Murakami (62 patents)
- Takeo Iino (8 patents)
- Masanori Kobayashi (152 patents)
- Akihiko Shiina (23 patents)
- Yoshio Ito (87 patents)
- Tatsuo Otsuka (8 patents)
- Takayuki Todaka (2 patents)
US Patent 6550567 · Granted Apr 22, 2003