Assignee
Inventors
- Hirobumi Sonoda (6 patents)
- Kenji Okuyama (10 patents)
- Junichi Ibukuro (10 patents)
- Takanori Yahaba (14 patents)
- Masato Takikawa (11 patents)
- Yasutomo Ichiyama (9 patents)
- Toshiyasu Ukena (11 patents)
US Patent 6815634 · Granted Nov 9, 2004