Assignee
Inventors
- Kazuyuki Tadatomo (19 patents)
- Hiroaki Okagawa (25 patents)
- Youichiro Ohuchi (3 patents)
- Masahiro Koto (8 patents)
- Kazumasa Hiramatsu (15 patents)
- Yutaka Hamamura (3 patents)
- Sumito Shimizu (8 patents)
US Patent 6734515 · Granted May 11, 2004