Assignee
Inventors
- Makoto Takeuchi (36 patents)
- Ryo Naito (6 patents)
- Masahiko Hayakawa (22 patents)
- Yoshinori Okamoto (9 patents)
- Yasuhiro Yonetoku (10 patents)
- Ken Ikeda (12 patents)
- Yasuo Isomura (29 patents)
US Patent 6174896 · Granted Jan 16, 2001