Assignee
Inventors
- Kazumi Nakayoshi (24 patents)
- Hiroki Ishikawa (120 patents)
- Ryoto Shima (6 patents)
- Junji Nakanishi (43 patents)
- Tomoko Kato (30 patents)
- Minoru Isshiki (41 patents)
- Kimio Yamakawa (29 patents)
US Patent 6513680 · Granted Feb 4, 2003