Assignee
Inventors
- Tomohisa Kohiyama (26 patents)
- Junji Nakata (9 patents)
- Takeo Tomokane (10 patents)
- Tetsuya Kawahara (10 patents)
- Masami Yamagishi (15 patents)
- Taminori Tomita (10 patents)
- Takahiro Yamada (239 patents)
- Munekazu Kamo (3 patents)
US Patent 5666161 · Granted Sep 9, 1997