Assignee
Inventors
- Naoki Ikeda (41 patents)
- Masafumi Yoshimura (7 patents)
- Kazuaki Mizoguchi (6 patents)
- Hiroshi Kitagawa (110 patents)
- Yuji Kawashima (2 patents)
- Kiyoshi Sadamitsu (7 patents)
- Yasuyuki Kawahara (8 patents)
US Patent 6235823 · Granted May 22, 2001