Assignee
Inventors
- Chikashi Okayama (9 patents)
- Takanori Nakashima (25 patents)
- Yuya Ishimoto (4 patents)
- Shinji Nakata (17 patents)
- Yasuhiro Mochizuki (27 patents)
- Shinichi Akitaya (11 patents)
- Yoshitaka Sumi (6 patents)
US Patent 6258893 · Granted Jul 10, 2001