Assignee
Inventors
- Makoto Uehara (41 patents)
- Toshihiro Ohta (4 patents)
- Yasutaka Maeda (35 patents)
- Takashi Kitagawa (40 patents)
- Katsuhiro Nagayama (36 patents)
- Shouji Tomita (1 patents)
- Kaori Dakeshita (3 patents)
- Daisaku Imaizumi (13 patents)
US Patent 6215968 · Granted Apr 10, 2001