Assignee
Inventors
- Hidetaka Yahagi (6 patents)
- Naoyuki Senba (2 patents)
- Masaru Kobashi (43 patents)
- Mikio Yamazaki (14 patents)
- Shinichiro Nishimaki (2 patents)
- Yutaka Nakagishi (8 patents)
- Masaaki Sakaguchi (45 patents)
US Patent 6723480 · Granted Apr 20, 2004