Assignee
Inventors
- Kazushi Tomita (8 patents)
- Yoshikazu Ito (85 patents)
- Motohiro Hirano (2 patents)
- Akira Nozawa (2 patents)
- Hiromitsu Matsuo (2 patents)
- Shunichi Iimuro (8 patents)
- Shigeki Tozawa (13 patents)
- Yutaka Miura (13 patents)
US Patent 5593540 · Granted Jan 14, 1997