Assignee
Inventors
- Takashi Nakazawa (71 patents)
- Minoru Yamaguchi (7 patents)
- Hiroki Kuyama (6 patents)
- Eiji Ando (4 patents)
- Norikazu Ueyama (3 patents)
- Taka-aki Okamura (3 patents)
- Shigemi Norioka (3 patents)
US Patent 7294707 · Granted Nov 13, 2007