Assignee
Inventors
- Yasuhiko Shoji (11 patents)
- Seiji Wada (131 patents)
- Shigeto Noya (12 patents)
- Tadahiro Sawada (3 patents)
- Takayuki Aoi (9 patents)
- Minoru Koda (9 patents)
- Saburo Nakatsuka (13 patents)
- Tsutomu Moriwaki (2 patents)
US Patent 6830845 · Granted Dec 14, 2004