Assignee
Inventors
- Keizo Nakajima (17 patents)
- Takahito Ishii (17 patents)
- Keiko Yasui (5 patents)
- Seishi Terakado (8 patents)
- Takehiko Shigeoka (12 patents)
- Kazuyuki Kohara (10 patents)
- Mitsuru Yoneyama (12 patents)
US Patent 7675004 · Granted Mar 9, 2010