Assignee
Inventors
- Masaki Koyama (70 patents)
- Yasushi Ookura (10 patents)
- Akitaka Soeno (38 patents)
- Tatsuji Nagaoka (43 patents)
- Takahide Sugiyama (37 patents)
- Sachiko Aoi (40 patents)
- Hiroko Iguchi (6 patents)
US Patent 8952449 · Granted Feb 10, 2015