Assignee
Inventors
- Takao Ishikawa (66 patents)
- Daigoro Kamoto (4 patents)
- Tomoji Oishi (20 patents)
- Ken Takahashi (85 patents)
- Norikazu Uchiyama (18 patents)
- Kiyoshi Miura (52 patents)
- Masahiro Nishizawa (56 patents)
- Toshio Tojo (18 patents)
US Patent 6992425 · Granted Jan 31, 2006