Assignee
Inventors
- Satoshi Ohkuma (5 patents)
- Atsuko Kamada (2 patents)
- Yoshiko Ishimaru (4 patents)
- Kenji Muneuchi (3 patents)
- Hidesato Hagiwara (14 patents)
- Takashi Yamauchi (119 patents)
- Noriko Asahi (2 patents)
US Patent 8269921 · Granted Sep 18, 2012