Assignee
Inventors
- Tomoyuki Imai (20 patents)
- Satoshi Hatakeyama (17 patents)
- Toshiki Matsui (15 patents)
- Yasuhiko Fujii (40 patents)
- Tomoko Okita (16 patents)
- Hiroshi Inoue (741 patents)
- Masaki Ishihara (4 patents)
- Masayuki Ukita (2 patents)
US Patent 6436868 · Granted Aug 20, 2002