Assignee
No assignee recorded.
Inventors
- Susumu Tsuchiya (2 patents)
- Nobuyuki Yasuda (52 patents)
- Toshifumi Matsumoto (5 patents)
- Kozo Hiratsuka (3 patents)
- Hiroyuki Iizuka (2 patents)
- Unknown
- Kouichi Matsunaga (2 patents)
US Patent 6069176 · Granted May 30, 2000
No assignee recorded.