Assignee
Inventors
- Minoru Kanoi (10 patents)
- Yuzuru Imamura (3 patents)
- Saburo Yasukawa (5 patents)
- Masahiko Amano (30 patents)
- Shinji Tanifuji (1 patents)
- Toshifumi Yoshikawa (9 patents)
- Masahiro Watanabe (448 patents)
US Patent 5760492 · Granted Jun 2, 1998