Assignee
Inventors
- Toshio Ishizaki (104 patents)
- Atsushi Sasaki (51 patents)
- Yuki Satoh (48 patents)
- Hiroshi Kushitani (27 patents)
- Hideaki Nakakubo (30 patents)
- Toshiaki Nakamura (139 patents)
- Kimio Aizawa (9 patents)
- Takashi Fujino (14 patents)
US Patent 5719539 · Granted Feb 17, 1998