Assignee
Inventors
- Makoto Imanishi (22 patents)
- Akihiro Yamamoto (169 patents)
- Hiroyuki Otani (23 patents)
- Shinzo Eguchi (5 patents)
- Takahiro Yonezawa (22 patents)
- Kazushi Higashi (31 patents)
- Koichi Yoshida (81 patents)
- Kouji Hirotani (2 patents)
US Patent 6481616 · Granted Nov 19, 2002