Assignee
Inventors
- Hideo Ohkuma (15 patents)
- Satoshi Maruyama (108 patents)
- Kiyoshi Tomiki (1 patents)
- Makoto Fujikawa (22 patents)
- Tomohito Johnai (3 patents)
- Yutaka Kunii (7 patents)
- Kazuhiko Toyoda (1 patents)
US Patent 6554689 · Granted Apr 29, 2003