Assignee
Inventors
- Toru Ushirogouchi (52 patents)
- Makoto Nakase (24 patents)
- Akira Yoshizumi (19 patents)
- Naoko Kihara (45 patents)
- Takuya Naito (13 patents)
- Naomi Shida (63 patents)
- Koji Asakawa (186 patents)
US Patent 5853952 · Granted Dec 29, 1998