Assignee
Inventors
- Shinji Hamada (95 patents)
- Izumi Yamamura (3 patents)
- Noriyuki Fujioka (26 patents)
- Shuhei Marukawa (26 patents)
- Toyohiko Eto (62 patents)
- Keiji Shukuya (5 patents)
- Yoshiaki Ogata (12 patents)
US Patent 6982131 · Granted Jan 3, 2006