Assignee
Inventors
- Seiji Bito (10 patents)
- Yusai Murakami (21 patents)
- Toshiaki Nakanishi (57 patents)
- Kiwamu Inui (17 patents)
- Kunio Kanamaru (18 patents)
- Tadao Kimura (38 patents)
- Masayoshi Iwase (15 patents)
- Katsuhiko Yamaguchi (70 patents)
US Patent 6501250 · Granted Dec 31, 2002