Assignee
Inventors
- Toshiaki Yanai (17 patents)
- Soji Sugai (3 patents)
- Hideo Takeshiba (12 patents)
- Junzo Tobitsuka (6 patents)
- Kazuo Sato (22 patents)
- Shinji Yokoi (11 patents)
- Shinya Niimi (1 patents)
- Akio Saito (11 patents)
US Patent 5276033 · Granted Jan 4, 1994