Assignee
Inventors
- Hirotaka Takeshima (32 patents)
- Takao Hommei (4 patents)
- Hajime Kawano (85 patents)
- Hiroshi Tazaki (16 patents)
- Takeshi Yatsuo (24 patents)
- Shigenori Kuroda (8 patents)
- Hajime Tanabe (18 patents)
US Patent 6437672 · Granted Aug 20, 2002