Assignee
Inventors
- Keiichi Ajito (17 patents)
- Shoichi Murakami (6 patents)
- Minoru Ishikawa (4 patents)
- Mikio Yamamoto (6 patents)
- Dai Kubota (6 patents)
- Shuichi Gomi (16 patents)
- Mitsugu Hachisu (15 patents)
- Kiyoaki Katano (24 patents)
US Patent 6451800 · Granted Sep 17, 2002