Assignee
Inventors
- Jun Tanaka (192 patents)
- Takashi Machida (60 patents)
- Shinobu Kato (43 patents)
- Keiji Tsutaoka (3 patents)
- Taketo Ochiai (12 patents)
- Masahiro Shirai (24 patents)
- Shigeru Ikezaki (6 patents)
- Hirotaka Watanabe (29 patents)
US Patent 8335021 · Granted Dec 18, 2012