Assignee
Inventors
- Mikio Takaiwa (7 patents)
- Mitsuyoshi Okuda (16 patents)
- Katsuhisa Saeki (15 patents)
- Hiromi Kubota (9 patents)
- Jun Hitomi (8 patents)
- Yasushi Kageyama (7 patents)
- Shitsuw Shikata (9 patents)
- Masafumi Nomura (15 patents)
US Patent 6759228 · Granted Jul 6, 2004