Assignee
Inventors
- Tsutomu Washino (3 patents)
- Kazuhiko Oosaki (1 patents)
- Masamitsu Moriwaki (9 patents)
- Katsumasa Fujii (1 patents)
- Chiyoki Yukawa (4 patents)
- Tatsuo Akai (2 patents)
- Kenshi Mitsunaga (1 patents)
US Patent 5580545 · Granted Dec 3, 1996