Assignee
Inventors
- Shin-ichi Kadowaki (81 patents)
- Masaru Yamaoka (63 patents)
- Takashi Yumiba (32 patents)
- Toyoji Gushima (61 patents)
- Makoto Usui (89 patents)
- Shin-ichi Tanaka (74 patents)
- Mitsurou Moriya (70 patents)
US Patent 8130614 · Granted Mar 6, 2012