Assignee
Inventors
- Nobuyoshi Sakurada (5 patents)
- Toshihiro Ajikata (5 patents)
- Kouichi Osada (6 patents)
- Ken Moriwaki (19 patents)
- Katsuaki Aikawa (9 patents)
- Kazuyoshi Noda (23 patents)
- Takuji Oyama (36 patents)
US Patent 6638626 · Granted Oct 28, 2003