Assignee
Inventors
- Makoto Satsuki (9 patents)
- Natsuko Ishida (4 patents)
- Sadaharu Suga (10 patents)
- Hisayoshi Fujikawa (23 patents)
- Yasunori Taga (43 patents)
- Satoshi Nakagawa (100 patents)
- Unknown
- Yoshifumi Kato (43 patents)
US Patent 7338720 · Granted Mar 4, 2008