Assignee
Inventors
- Riichiro Shirota (191 patents)
- Masaki Momodomi (58 patents)
- Ryozo Nakayama (8 patents)
- Seiichi Aritome (282 patents)
- Ryouhei Kirisawa (74 patents)
- Tetsuro Endoh (2 patents)
- Shigeyoshi Watanabe (32 patents)
US Patent 5397723 · Granted Mar 14, 1995