Assignee
Inventors
- Mitsuru Yasue (3 patents)
- Kinya Saito (7 patents)
- Kenichi Utsumi (51 patents)
- Reisuke Nakagawa (5 patents)
- Hitomi Akiyama (15 patents)
- Ichirou Sakuma (6 patents)
- Hiroyasu Inagaki (5 patents)
- Yoshiharu Itoh (4 patents)
US Patent 7139147 · Granted Nov 21, 2006