Assignee
Inventors
- Teruo Hieda (84 patents)
- Koji Takashi (1 patents)
- Yoshihiro Nakatani (38 patents)
- Yoshifumi Ishikawa (13 patents)
- Takeshi Abe (158 patents)
- Kenji Kyuma (39 patents)
- Koichiro Suzuki (32 patents)
US Patent 5175624 · Granted Dec 29, 1992