Assignee
Inventors
- Hiroki Hirai (188 patents)
- Yuichiro Tsutsumi (5 patents)
- Masashi Sugimoto (23 patents)
- Tetsuji Tanaka (95 patents)
- Yasuhiro Hiura (6 patents)
- Shigeki Sakai (41 patents)
- Yoshito Sakai (17 patents)
US Patent 6339699 · Granted Jan 15, 2002