Assignee
Inventors
- Hideaki Mizukami (5 patents)
- Kentaro Mori (126 patents)
- Akichika Ozeki (8 patents)
- Takaho Kawawa (4 patents)
- Yuji Sugitani (31 patents)
- Hirokazu Nomura (46 patents)
- Tadashi Fujioka (12 patents)
- Hirotaka Nakagawa (35 patents)
US Patent 4886547 · Granted Dec 12, 1989