Assignee
Inventors
- Tsuyoshi Kaneda (6 patents)
- Susumu Okikawa (13 patents)
- Hiroshi Mikino (2 patents)
- Hiroshi Watanabe (776 patents)
- Toshihiro Satou (14 patents)
- Atsushi Onodera (16 patents)
- Michio Tanimoto (53 patents)
US Patent 5031821 · Granted Jul 16, 1991