Assignee
Inventors
- Toyojiro Muramatsu (6 patents)
- Katsumi Mashita (1 patents)
- Yasuo Shinoda (4 patents)
- Hironori Sassa (1 patents)
- Hiroyuki Kawashima (46 patents)
- Yoshio Tanizawa (1 patents)
- Hideatsu Takeuchi (1 patents)
US Patent 6465477 · Granted Oct 15, 2002