Assignee
Inventors
- Shinji Someno (2 patents)
- Akira Shimizu (261 patents)
- Hidenobu Matsuyama (18 patents)
- Nobuyuki Kuroki (8 patents)
- Masanao Yomogizawa (1 patents)
- Ken Harada (34 patents)
- Tadahiro Shimadzu (1 patents)
US Patent 6863931 · Granted Mar 8, 2005