Assignee
Inventors
- Toshiharu Inui (119 patents)
- Shinji Takagi (59 patents)
- Kentaro Yano (179 patents)
- Tetsuhito Ikeda (17 patents)
- Masao Kato (211 patents)
- Katsuhiko Takahashi (112 patents)
- Kenichi Saito (113 patents)
- Tomonori Sato (92 patents)
US Patent 6719400 · Granted Apr 13, 2004