Assignee
Inventors
- Masato Terada (13 patents)
- Makoto Kayashima (30 patents)
- Takahiko Kawashima (3 patents)
- Tetsuya Fujiyama (2 patents)
- Minoru Koizumi (48 patents)
- Kazuo Nishimura (25 patents)
- Kazunari Hirayama (2 patents)
- Takaaki Ogino (3 patents)
US Patent 6111883 · Granted Aug 29, 2000