Assignee
Inventors
- Jiro Yamada (132 patents)
- Seiichi Yokoyama (56 patents)
- Eiji Hasegawa (40 patents)
- Atsuya Makita (6 patents)
- Masanao Uesugi (4 patents)
- Shoichi Gondo (1 patents)
- Tomoyoshi Ichikawa (13 patents)
- Junichi Yamashita (300 patents)
US Patent 8981352 · Granted Mar 17, 2015