Assignee
Inventors
- Tomio Suzuki (61 patents)
- Setsuo Tamura (6 patents)
- Kozo Tanaka (11 patents)
- Ryoichi HIROSE (19 patents)
- Hiroyuki Komatsu (63 patents)
- Shinichi Tamada (3 patents)
- Taketsugu Kasai (1 patents)
- Keisuke Tanimoto (4 patents)
US Patent 4490171 · Granted Dec 25, 1984