Assignee
Inventors
- Masahiro Nohara (10 patents)
- Yukihiko Takeuchi (6 patents)
- Taimi Oketani (15 patents)
- Taketo Maruyama (15 patents)
- Tetsuya Karita (4 patents)
- Hisaki Abe (9 patents)
- Tetsuo Aoyama (33 patents)
US Patent 6500270 · Granted Dec 31, 2002