Assignee
Inventors
- Kentaro Oshima (8 patents)
- Shunji Kozaki (4 patents)
- Yoshinobu Imaizumi (8 patents)
- Toshio Miyake (192 patents)
- Toru Nishimura (41 patents)
- Keiichi Tsuto (14 patents)
- Satoshi Sugawara (28 patents)
- Makoto Torizuka (10 patents)
US Patent 5902569 · Granted May 11, 1999