Assignee
Inventors
- Yoshiyuki Yasui (115 patents)
- Tsuyoshi Yoshida (111 patents)
- Yutaka Ohnuma (11 patents)
- Akira Tanaka (394 patents)
- Masaru Sugai (20 patents)
- Eiichi Ono (57 patents)
- Mamoru Sawada (78 patents)
US Patent 7059687 · Granted Jun 13, 2006