Assignee
Inventors
- Tsuguhiro Katoh (10 patents)
- Kiyoto Maeda (16 patents)
- Masao Shiroshita (11 patents)
- Norihisa Yamashita (9 patents)
- Yuzuru Sanemitsu (41 patents)
- Satoru Inoue (17 patents)
- Masayo Sugano (13 patents)
- Hirotaka Tanako (1 patents)
US Patent 4927827 · Granted May 22, 1990