Assignee
Inventors
- Takashi Tsurumoto (30 patents)
- Masahiro Nakano (53 patents)
- Akira Katsuyama (36 patents)
- Yasuhisa Ikeda (19 patents)
- Tetsuya Nakamura (153 patents)
- Kazunori Kikuchi (8 patents)
- Takayoshi Yamasaki (14 patents)
US Patent 8139942 · Granted Mar 20, 2012