Assignee
Inventors
- Kazuaki Sakamoto (8 patents)
- Masaharu Yamaguchi (4 patents)
- Tuneo Miyamoto (1 patents)
- Michio Yokozawa (1 patents)
- Yuushi Takehara (1 patents)
- Hiroki Tanaka (252 patents)
- Hiroshi SUNAGARE (3 patents)
US Patent 6687453 · Granted Feb 3, 2004