Assignee
Inventors
- Yasushi Shizuki (9 patents)
- Yuji Iseki (16 patents)
- Naoko Ono (13 patents)
- Kunio Yoshihara (35 patents)
- Masayuki Saito (274 patents)
- Hiroshi Yamada (563 patents)
- Kazuki Tateyama (11 patents)
US Patent 5914536 · Granted Jun 22, 1999