Assignee
Inventors
- Kazuyoshi Takada (20 patents)
- Sadanori Suzuki (26 patents)
- Kenichi Nakata (26 patents)
- Shimpei Sakoda (17 patents)
- Yukihiro Yamamoto (55 patents)
- Shinji Ichikawa (287 patents)
- Tetsuhiro Ishikawa (117 patents)
US Patent 8766591 · Granted Jul 1, 2014