Assignee
Inventors
- Tasao Soga (34 patents)
- Hanae Shimokawa (19 patents)
- Tetsuya Nakatsuka (25 patents)
- Kazuma Miura (9 patents)
- Mikio Negishi (7 patents)
- Hirokazu Nakajima (25 patents)
- Tsuneo Endoh (56 patents)
US Patent 8022551 · Granted Sep 20, 2011