Assignee
Inventors
- Mitsuru Hiraki (76 patents)
- Hirotsugu Kojima (18 patents)
- Masaru Kokubo (51 patents)
- Takafumi Kikuchi (36 patents)
- Yuji Hatano (18 patents)
- Kouki Noguchi (45 patents)
- Masao Hotta (30 patents)
US Patent 5966407 · Granted Oct 12, 1999