Assignee
Inventors
- Tsuyoshi Umehara (46 patents)
- Norikazu Ota (70 patents)
- Katsumichi Tagami (33 patents)
- Hiroki Matsukuma (12 patents)
- Nobuya Oyama (21 patents)
- Soji Koide (17 patents)
- Yoshiyuki Mizoguchi (38 patents)
- Kazuhide Yamada (4 patents)
US Patent 7623322 · Granted Nov 24, 2009