Assignee
Inventors
- Jiro Ushio (5 patents)
- Osamu Miyazawa (66 patents)
- Akira Tomizawa (14 patents)
- Hitoshi Yokono (49 patents)
- Naoya Kanda (34 patents)
- Naoko Matsuura (3 patents)
- Setsuo Ando (6 patents)
- Hiroaki Okudaira (11 patents)
US Patent 4963974 · Granted Oct 16, 1990