Assignee
Inventors
- Yasunori Sagara (7 patents)
- Hisanobu Matsuzoe (12 patents)
- Shinichi Kizu (6 patents)
- Masashi Ogawa (110 patents)
- Yusuke Shiibara (6 patents)
- Kouji Migita (12 patents)
- Yukinori Hara (14 patents)
- Kazuo Hakukawa (7 patents)
US Patent 6044240 · Granted Mar 28, 2000