Assignee
Inventors
- Osamu Yamanaka (25 patents)
- Makoto Tamaki (26 patents)
- Takemasa Yasukawa (21 patents)
- Hiroshi Sugihara (37 patents)
- Kazushi Noda (15 patents)
- Yoshio Sano (35 patents)
- Tetsuo Tanabe (7 patents)
US Patent 5815072 · Granted Sep 29, 1998