Assignee
Inventors
- Shohei Tamura (7 patents)
- Sadamitsu Sasaki (2 patents)
- Takeshi Sasaki (171 patents)
- Hisashi Ichinose (8 patents)
- Keiji Nakamoto (6 patents)
- Masao Abe (40 patents)
- Hitoshi Nakazawa (16 patents)
US Patent 4556623 · Granted Dec 3, 1985