Assignee
Inventors
- Akira Horiguchi (23 patents)
- Ken-ichiro Isobe (6 patents)
- Heigo Tanaka (2 patents)
- Tomio Fukushima (5 patents)
- Kiyohide Murata (2 patents)
- Tsunco Takeda (1 patents)
- Yoshiaki Uzu (2 patents)
- Hiroshi Matsumoto (432 patents)
US Patent 7648409 · Granted Jan 19, 2010