Assignee
Inventors
- Yoshihiro Ebata (12 patents)
- Masanori Kohyama (1 patents)
- Nobuyuki Tamari (7 patents)
- Makoto Kinoshita (52 patents)
- Ryozo Hayami (7 patents)
- Susumu Mori (49 patents)
- Masahiko Nozawa (1 patents)
- Tokuzo Nishi (1 patents)
US Patent 4724020 · Granted Feb 9, 1988