Assignee
Inventors
- Masao Enomoto (6 patents)
- Atsuyuki Kojima (16 patents)
- Yoshihiro Komuro (4 patents)
- Shigeaki Morooka (4 patents)
- Shunji Aono (9 patents)
- Yuzuru Sanemitsu (41 patents)
- Masato Mizutani (19 patents)
- You Tanabe (2 patents)
US Patent 4992455 · Granted Feb 12, 1991