Assignee
Inventors
- Yoshikazu Matsumura (21 patents)
- Yoshio Morimoto (24 patents)
- Kiyomi Shio (5 patents)
- Yoshiyuki Ueshima (11 patents)
- Toshiaki Mizoguchi (19 patents)
- Satoshi Akamatsu (9 patents)
- Shigeru Ogawa (46 patents)
- Kazuo Koyama (37 patents)
US Patent 5901777 · Granted May 11, 1999