Assignee
Inventors
- Yukio Yasuda (60 patents)
- Akiyasu Yamaguchi (8 patents)
- Tatsushi Igarashi (22 patents)
- Yasuo Oonishi (4 patents)
- Kenzo Kai (6 patents)
- Masanori Sugihara (25 patents)
- Takashi Mori (233 patents)
- Akira Miyaji (13 patents)
US Patent 5471278 · Granted Nov 28, 1995