Assignee
Inventors
- Tatsuo Makii (38 patents)
- Motoshige Ito (2 patents)
- Hideo Okamoto (32 patents)
- Takeshi Takizawa (47 patents)
- Takatoshi Uneme (4 patents)
- Keishi Iwana (2 patents)
- Satoshi Imai (118 patents)
- Fujio Kanai (9 patents)
US Patent 7602439 · Granted Oct 13, 2009