Assignee
Inventors
- Toshio Tokune (28 patents)
- Tetsuo Naraki (9 patents)
- Eiichiro Kawahara (29 patents)
- Mitsumasa Furumoto (12 patents)
- Tsukasa Takahashi (92 patents)
- Takao Nakagawa (60 patents)
- Mihoko Yamashita (9 patents)
US Patent 5975270 · Granted Nov 2, 1999