Assignee
Inventors
- Yasuhiro Unosawa (21 patents)
- Makoto Kashimura (36 patents)
- Makoto Takemura (68 patents)
- Toshiyuki Onishi (31 patents)
- Tetsuhiro Nitta (46 patents)
- Satoshi Saikawa (22 patents)
- Hiroshi Yoshino (68 patents)
US Patent 5992970 · Granted Nov 30, 1999