Assignee
Inventors
- Toshiyuki Hatta (13 patents)
- Fumio Matsuyama (9 patents)
- Masaya Nishi (15 patents)
- Taichiro Nishikawa (39 patents)
- Shuzo Nagai (5 patents)
- Kenji Miyazaki (60 patents)
- Shinji Inazawa (57 patents)
US Patent 6059953 · Granted May 9, 2000