Assignee
Inventors
- Shoji Obuchi (19 patents)
- Tatsuya Kawaguchi (3 patents)
- Tomoyuki Nakata (10 patents)
- Takayuki Watanabe (264 patents)
- Yasuhiro Kitahara (13 patents)
- Kazuhiko Suzuki (116 patents)
- Masanobu Ajioka (61 patents)
US Patent 6417294 · Granted Jul 9, 2002