Assignee
Inventors
- Kazuo Yokoyama (43 patents)
- Shinichi Yamamoto (139 patents)
- Yousuke Irie (25 patents)
- Hideki Kuwajima (78 patents)
- Kenichi Sakamoto (85 patents)
- Kaoru Matsuoka (32 patents)
- Isaku Kanno (22 patents)
- Satoru Fujii (74 patents)
US Patent 6943990 · Granted Sep 13, 2005