Assignee
Inventors
- Mitsuru Kishimoto (29 patents)
- Hideyuki Kobayashi (118 patents)
- Noboru Ooishi (17 patents)
- Kiyoshi Ikeda (70 patents)
- Takeo Fujii (40 patents)
- Unknown
- Masahiko Shimosugi (13 patents)
- Shigenori Koido (20 patents)
US Patent 6367912 · Granted Apr 9, 2002