Assignee
Inventors
- Hendrik Timmerman (11 patents)
- Mingqiang Zang (3 patents)
- Kazuhiro Onogi (16 patents)
- Yoshio Takahashi (10 patents)
- Unknown
- Tsutomu Tohma (4 patents)
- Yasushi Wada (11 patents)
- Jiro Matsumoto (14 patents)
- Toru Kanke (13 patents)
US Patent 6107308 · Granted Aug 22, 2000