Assignee
Inventors
- Yutaka Hiyoshi (2 patents)
- Hiroyuki Tanaka (768 patents)
- Takao Hakamatani (6 patents)
- Masayuki Korikawa (9 patents)
- Hiroshi Tsurumi (36 patents)
- Tetsuro Kudo (2 patents)
- Yuiti Ogawa (2 patents)
US Patent 5675816 · Granted Oct 7, 1997