Assignee
Inventors
- Mitsumasa Oku (13 patents)
- Takashi Akiguchi (9 patents)
- Shinji Murakami (37 patents)
- Yutaka Harada (55 patents)
- Norihito Tsukahara (41 patents)
- Mitsunori Yokomakura (18 patents)
- Kenichi Sato (324 patents)
US Patent 6357106 · Granted Mar 19, 2002