Assignee
Inventors
- Kiyonori Ishida (2 patents)
- Tomotaka Orita (2 patents)
- Toshiyuki Hanada (1 patents)
- Yasuyuki Sakamoto (7 patents)
- Kazunori Shimoyama (1 patents)
- Masanori Mizutani (5 patents)
- Fumio Orito (2 patents)
- Shigeru Ogaya (2 patents)
US Patent 5625949 · Granted May 6, 1997