Assignee
Inventors
- Masashi Hirai (37 patents)
- Mikio Kakui (24 patents)
- Yoshiaki Masuda (58 patents)
- Susumu Murakami (83 patents)
- Kuniaki Nakano (72 patents)
- Kazuaki Ishikawa (4 patents)
- Tomomi Tanaka (23 patents)
US Patent 7917071 · Granted Mar 29, 2011