Assignee
Inventors
- Hiroshi Ando (133 patents)
- Fumiaki Saito (5 patents)
- Chikao Tanaka (6 patents)
- Shinji Takeshita (5 patents)
- Koji Hirasawa (1 patents)
- Sei Nagano (4 patents)
- Hajime Ito (70 patents)
- Shinji Yamamura (9 patents)
US Patent 5851258 · Granted Dec 22, 1998