Assignee
Inventors
- Kengo Akimoto (389 patents)
- Hiroshi Kawashima (147 patents)
- Satomichi Yoshimura (3 patents)
- Masashi Matsui (13 patents)
- Tomohito Hamazaki (4 patents)
- Shigeki Sawazaki (3 patents)
- Norio Nakamura (115 patents)
US Patent 5861433 · Granted Jan 19, 1999