Assignee
Inventors
- Akira Sakai (244 patents)
- Yasushi Fujioka (59 patents)
- Shotaro Okabe (31 patents)
- Masahiro Kanai (191 patents)
- Tadashi Sawayama (21 patents)
- Yuzo Koda (20 patents)
- Takahiro Yajima (39 patents)
US Patent 6495392 · Granted Dec 17, 2002