Assignee
Inventors
- Jun Yamada (258 patents)
- Shuji Sakakibara (8 patents)
- Yoshihiro Okuda (11 patents)
- Tomomi Eino (6 patents)
- Hisashi Iida (73 patents)
- Kiyoshi Nagata (55 patents)
- Toshihiro Suzumura (12 patents)
US Patent 5317909 · Granted Jun 7, 1994