Assignee
Inventors
- Manabu Tomisaka (7 patents)
- Hidetoshi Katou (2 patents)
- Yutaka Fukuda (92 patents)
- Akira Tai (13 patents)
- Kazuo Akamatsu (7 patents)
- Yoshiko Fukuda (1 patents)
- Yuji Fukuda (121 patents)
- Mika Ootsuki (1 patents)
US Patent 8263490 · Granted Sep 11, 2012