Assignee
Inventors
- Naoya Kitamura (13 patents)
- Hisashi Sugiyama (10 patents)
- Yoshihide Yamaguchi (34 patents)
- Masayuki Kyoui (3 patents)
- Hideyasu Murooka (6 patents)
- Ryoji Iwamura (4 patents)
- Makio Watanabe (6 patents)
US Patent 5480048 · Granted Jan 2, 1996