Assignee
Inventors
- Kazuhide Uriu (23 patents)
- Hiroyuki Nakamura (449 patents)
- Toru Yamada (176 patents)
- Tsutomu Matsumura (12 patents)
- Hiroshi Kagata (51 patents)
- Kouji Kawakita (24 patents)
- Toshio Ishizaki (104 patents)
US Patent 6822534 · Granted Nov 23, 2004