Assignee
Inventors
- Katsuyuki Narai (5 patents)
- Katsuhiro Kitamura (9 patents)
- Kazuyoshi Kuwahara (10 patents)
- Kenji Honda (100 patents)
- Tetsushi Asano (6 patents)
- Yasuji Shibahata (64 patents)
- Kazuhiro Wada (27 patents)
- Koji Yokomizo (1 patents)
US Patent 5893812 · Granted Apr 13, 1999