Assignee
Inventors
- Tatsuo Tsuneka (4 patents)
- Takafumi Masuda (14 patents)
- Kenichiro Isomoto (3 patents)
- Teruaki Ashihara (8 patents)
- Shozo Maekawa (1 patents)
- Tetsuzo Nishioka (1 patents)
- Ryozo Orita (9 patents)
US Patent 5821301 · Granted Oct 13, 1998