Assignee
Inventors
- Kenmi Narita (2 patents)
- Katsumasa Haikawa (13 patents)
- Akihiro Yamanaka (104 patents)
- Akiko Kanda (5 patents)
- Takaaki Mochida (15 patents)
- Junichi Yamashita (300 patents)
- Junichi Koyama (31 patents)
US Patent 6504889 · Granted Jan 7, 2003