Assignee
Inventors
- Masahiro Arinaga (2 patents)
- Kunihiko Kaga (19 patents)
- Shoji Yamada (78 patents)
- Katsuhisa Ootsuta (8 patents)
- Hitoshi Kikuchi (47 patents)
- Yoshimi Iwamura (4 patents)
- Yasuyoshi Makino (5 patents)
US Patent 7331758 · Granted Feb 19, 2008