Assignee
- Electronic Navigation Research Institute, An Independent Administrative Institution
- Unknown
- Unknown
- Unknown
- Unknown
- Unknown
Inventors
- Kakuichi Shiomi (19 patents)
- Susumu Kobayashi (109 patents)
- Michiko Takaoka (3 patents)
- Hitoshi Abe (96 patents)
- Michiko Okiyama (1 patents)