Assignee
Inventors
- Masaki Otsuka (8 patents)
- Iwao Matsuyama (10 patents)
- Mitsuhiko Oguchi (6 patents)
- Unknown
- Nobuyuki Ishii (16 patents)
- Masayuki Katsumoto (7 patents)
- Tsuneyuki Hasegawa (1 patents)
- Satomi Yamaguchi (1 patents)
US Patent 5856281 · Granted Jan 5, 1999