Assignee
Inventors
- Kensuke Morita (26 patents)
- Shun-ichi Ishikawa (31 patents)
- Hideaki Naruse (60 patents)
- Koki Nakamura (112 patents)
- Toshio Kawagishi (59 patents)
- Tadashi Ohmatsu (2 patents)
- Kozo Aoki (61 patents)
US Patent 6545157 · Granted Apr 8, 2003