Assignee
Inventors
- Akiyoshi Yamaguchi (9 patents)
- Yuji Hasegawa (52 patents)
- Manabu Miyamoto (62 patents)
- Minoru Suzuki (269 patents)
- Koichi Abe (171 patents)
- Hideki Sonobe (13 patents)
- Sadayuki Tetsu (2 patents)
US Patent 5406026 · Granted Apr 11, 1995