Assignee
Inventors
- Hitoaki Owashi (112 patents)
- Hiroyasu Ohtsubo (24 patents)
- Masataka Sekiya (10 patents)
- Kohji Minabe (2 patents)
- Hideo Nishijima (117 patents)
- Michio Masuda (33 patents)
- Morito Rokuda (8 patents)
US Patent 5063437 · Granted Nov 5, 1991