Assignee
Inventors
- Shigeki Narushima (5 patents)
- Kenichi Ide (18 patents)
- Yasushi Dodo (10 patents)
- Toshihiko Obata (2 patents)
- Sadakazu Masuda (11 patents)
- Shuichi Yamashina (6 patents)
- Takashi Yokoyama (180 patents)
US Patent 6341516 · Granted Jan 29, 2002