Assignee
Inventors
- Haruo Tomono (19 patents)
- Naoki Kobayashi (332 patents)
- Toshiyuki Nakajima (28 patents)
- Takashi Kai (32 patents)
- Masayoshi Sekine (67 patents)
- Masahiro Watabe (38 patents)
- Kazuhiro Ohki (13 patents)
US Patent 5589239 · Granted Dec 31, 1996