Assignee
Inventors
- Kazuhiko Takishima (1 patents)
- Kazuya Akiyama (23 patents)
- Kazuo Miyashita (8 patents)
- Kazuya OSADA (4 patents)
- Kenjirou Mizumoto (1 patents)
- Takashi Matsuda (398 patents)
- Kouichi Harada (71 patents)
US Patent 6655581 · Granted Dec 2, 2003