Assignee
Inventors
- Yuh-ichiro Ichikawa (8 patents)
- Hiroshi Akaba (2 patents)
- Yuka Sugawara (2 patents)
- Akira Shiozawa (13 patents)
- Kenichi Matsubara (5 patents)
- Takemitsu Nagahata (5 patents)
- Hiroo Hoshino (13 patents)
- Jun-ichi Seki (4 patents)
US Patent 5374625 · Granted Dec 20, 1994