Assignee
Inventors
- Akihisa Takamizawa (7 patents)
- Hiroyuki Fujita (230 patents)
- Sadao Manabe (5 patents)
- Masahiko Kato (1 patents)
- Juichiro Osame (7 patents)
- Iwao Yoshida (18 patents)
- Takeo Konobe (4 patents)
- Keisuke Takaku (5 patents)
US Patent 5693497 · Granted Dec 2, 1997