Assignee
Inventors
- Makoto Asako (2 patents)
- Kenji Takano (49 patents)
- Kazutaka Otsuka (4 patents)
- Yutaka Ichimura (5 patents)
- Yukio Akita (5 patents)
- Yoshiyuki Matsuoka (15 patents)
- Kozoh Satoh (1 patents)
- Tsutomu Kobayashi (111 patents)
US Patent 6215511 · Granted Apr 10, 2001