Assignee
Inventors
- Satoshi Hattori (32 patents)
- Shigeru Ueki (7 patents)
- Unknown
- Tetsuo Manchu (4 patents)
- Yasunori Katayama (21 patents)
- Yasuo Morooka (56 patents)
- Hiroshi Matsumoto (432 patents)
- Masaaki Nakajima (9 patents)
US Patent 5331565 · Granted Jul 19, 1994