Assignee
Inventors
- Akira Maeda (121 patents)
- Motohisa Funabashi (58 patents)
- Hiromasa Yamaoka (11 patents)
- Nobuyuki Fujikura (7 patents)
- Mikio Yoda (18 patents)
- Mitsuo Yanagi (4 patents)
- Toshihide Ichimori (3 patents)
US Patent 5638492 · Granted Jun 10, 1997