Assignee
Inventors
- Masaaki Fukuda (47 patents)
- Hirotaka Tomizawa (29 patents)
- Mitsuo Ohta (2 patents)
- Hideki Osaka (1 patents)
- Satoshi Ogano (8 patents)
- Takehisa Satoh (2 patents)
- Kenji Ashibe (2 patents)
- Takeshi Nomura (145 patents)
US Patent 5185092 · Granted Feb 9, 1993