Assignee
Inventors
- Mitsuji Ikeda (48 patents)
- Syoji Yoshida (4 patents)
- Keisuke Nakashima (36 patents)
- Koyo Katsura (91 patents)
- Shigeru Shibukawa (2 patents)
- Haruo Yoda (70 patents)
- Takashi Hotta (81 patents)
US Patent 7082224 · Granted Jul 25, 2006