Assignee
Inventors
- Masaaki Yasuda (32 patents)
- Yasuhiro Arai (2 patents)
- Fumiaki Matsuzaki (9 patents)
- Toshio Yanaki (24 patents)
- Hideo Nakajima (36 patents)
- Michihiro Yamaguchi (23 patents)
- Kimio Ohno (2 patents)
US Patent 5817155 · Granted Oct 6, 1998