Assignee
Inventors
- Tatuya Wada (3 patents)
- Hiroshi Hikita (9 patents)
- Nobutaka Machida (3 patents)
- Mituharu Nonami (3 patents)
- Yukinori Kawamura (21 patents)
- Norikatu Matumoto (2 patents)
- Yoshiyuki Ohmura (5 patents)
- Tetuo Nomoto (2 patents)
US Patent 5205147 · Granted Apr 27, 1993