Assignee
Inventors
- Yuji Chiba (35 patents)
- Nobutoshi Mizusawa (43 patents)
- Kazunori Iwamoto (30 patents)
- Yutaka Tanaka (169 patents)
- Shinichi Hara (91 patents)
- Mitsuji Marumo (13 patents)
- Shin Matsui (17 patents)
- Hiroshi Kurosawa (59 patents)
US Patent 5999589 · Granted Dec 7, 1999