Assignee
Inventors
- Yasushi Fujioka (59 patents)
- Shotaro Okabe (31 patents)
- Masahiro Kanai (191 patents)
- Akira Sakai (244 patents)
- Tadashi Sawayama (21 patents)
- Yuzo Koda (20 patents)
- Takahiro Yajimaa (1 patents)
US Patent 6436797 · Granted Aug 20, 2002