Assignee
Inventors
- Noboru Yamashita (3 patents)
- Akira Takagi (90 patents)
- Masataka Katsuma (5 patents)
- Katsumi Saito (3 patents)
- Yuuki Takaishi (14 patents)
- Tatsuo Yasuda (2 patents)
- Yutaka Takahashi (13 patents)
- Mitsuo Mitomi (6 patents)
US Patent 6328979 · Granted Dec 11, 2001