Assignee
Inventors
- Takashi Sagara (3 patents)
- Toshiharu Takata (2 patents)
- Kiyoaki Ihara (2 patents)
- Hidetaka Kakiuchi (4 patents)
- Kazuo Ishihara (14 patents)
- Chiaki Asano (8 patents)
- Masao Gunji (6 patents)
- Hiroshi Sato (791 patents)
US Patent 6933050 · Granted Aug 23, 2005