Assignee
Inventors
- Jiro Kochiyama (4 patents)
- Makoto Miwada (1 patents)
- Toshiaki Sato (132 patents)
- Takuji Morita (3 patents)
- Teruo Fujiwara (15 patents)
- Shoji Kaneda (1 patents)
- Kazutaka Maruta (1 patents)
- Hajime Ogawa (1 patents)
US Patent 5194869 · Granted Mar 16, 1993