Assignee
Inventors
- Yasuhiro Numata (26 patents)
- Kazuyoshi Takahashi (90 patents)
- Yoshiaki Takayanagi (66 patents)
- Hiroshi Tajika (201 patents)
- Noribumi Koitabashi (180 patents)
- Hitoshi Sugimoto (149 patents)
- Souhei Tanaka (41 patents)
US Patent 5625384 · Granted Apr 29, 1997