Assignee
Inventors
- Masahide Mohri (15 patents)
- Norio Matsuda (44 patents)
- Shinichiro Tanaka (69 patents)
- Yoshio Uchida (20 patents)
- Yoshinari Sawabe (10 patents)
- Hisashi Watanabe (183 patents)
- Hiroshi Ogawa (431 patents)
US Patent 6524549 · Granted Feb 25, 2003