Assignee
Inventors
- Yutaka Kondoh (10 patents)
- Masahiko Kamiyama (6 patents)
- Unknown
- Hiroshi Sakamoto (1 patents)
- Teruji Tarumi (7 patents)
- Akira Yunoki (3 patents)
- Yoshimi Maekawa (4 patents)
- Katuya Kondoh (1 patents)
- Mikio Izumi (24 patents)
US Patent 7606672 · Granted Oct 20, 2009