Assignee
Inventors
- Hiromi Ukai (4 patents)
- Shigeki Hirasawa (31 patents)
- Kousuke Anzai (12 patents)
- Isao Echizen (20 patents)
- Hiroshi Yoshiura (63 patents)
- Masataka Okayama (15 patents)
- Shuichi Tago (1 patents)
US Patent 7293294 · Granted Nov 6, 2007