Assignee
Inventors
- Osamu Shirota (12 patents)
- Taketoshi Kanda (13 patents)
- Ayako Suzuki (8 patents)
- Yutaka Ohtsu (22 patents)
- Michihiro Yamaguchi (23 patents)
- Hisao Tsuruta (4 patents)
- Ryujiro Namba (4 patents)
US Patent 5738783 · Granted Apr 14, 1998