Assignee
Inventors
- Takayuki Fujii (134 patents)
- Shinichi Nakamura (313 patents)
- Naoyuki Ohki (30 patents)
- Mitsuo Nimura (18 patents)
- Norifumi Miyake (62 patents)
- Kiyoshi Okamoto (56 patents)
- Tsuyoshi Moriyama (63 patents)
US Patent 6636720 · Granted Oct 21, 2003