Assignee
Inventors
- Masashi Hirai (37 patents)
- Kuniaki Nakano (72 patents)
- Masanori Yamada (119 patents)
- Takahiko Yoshida (84 patents)
- Kazuaki Ishikawa (4 patents)
- Hiroshi Tachiki (29 patents)
- Toshio Yamanaka (68 patents)
US Patent 7548709 · Granted Jun 16, 2009