Assignee
Inventors
- Masanari Koguchi (23 patents)
- Hiroshi Kakibayashi (18 patents)
- Hiroyuki Tanaka (768 patents)
- Shigeto Isakozawa (40 patents)
- Keiichi Kanehori (10 patents)
- Tatsuo Makishima (24 patents)
- Kazutaka Tsuji (46 patents)
US Patent 5717207 · Granted Feb 10, 1998