Assignee
Inventors
- Mitsuru Kishimoto (29 patents)
- Noboru Ooishi (17 patents)
- Kiyoshi Ikeda (70 patents)
- Masahiko Shimosugi (13 patents)
- Shigenori Koido (20 patents)
- Nobutoshi Chigira (3 patents)
- Yuko Mine (1 patents)
US Patent 5889538 · Granted Mar 30, 1999