Assignee
Inventors
- Yasunobu Shimamura (12 patents)
- Shigeru Masuda (39 patents)
- Shinji Fukushima (11 patents)
- Masayuki Kojima (79 patents)
- Mitsuji Kawashima (3 patents)
- Hisashi Negoro (14 patents)
- Yutaka Kiyonaga (6 patents)
US Patent 5455653 · Granted Oct 3, 1995