Assignee
Inventors
- Shigeo Murai (18 patents)
- Hiroshi Yoshizawa (5 patents)
- Takeshi Ohshima (11 patents)
- Katsuyoshi Murakami (2 patents)
- Takayoshi Ando (6 patents)
- Tadashi Nakamura (275 patents)
- Norio Adachi (5 patents)
- Akihiko Isogai (4 patents)
US Patent 8338612 · Granted Dec 25, 2012