Assignee
Inventors
- Takafumi Ikeda (12 patents)
- Mitsuhiro Kawamura (16 patents)
- Noriaki Murase (7 patents)
- Seiji Nukui (23 patents)
- Yuji Shishido (19 patents)
- Makato Kawai (1 patents)
- Yoshiyuki Okumura (18 patents)
US Patent 6444677 · Granted Sep 3, 2002