Assignee
Inventors
- Hiroshi Inoue (741 patents)
- Satoshi Maruyama (108 patents)
- Norihiro Hirano (4 patents)
- Hidetoshi Fukuo (18 patents)
- Naoshi Murata (21 patents)
- Shoko Matsumoto (5 patents)
- Kaoru Matsumoto (37 patents)
US Patent 6730154 · Granted May 4, 2004