Assignee
Inventors
- Tomoyuki Ogura (15 patents)
- Akira Numata (9 patents)
- Hideki Ueno (1 patents)
- Yoshihide Masuzawa (5 patents)
- Toshiro Miyake (13 patents)
- Yoichi Inoue (3 patents)
- Norihiko Mimori (7 patents)
- Shinji Takii (10 patents)
US Patent 6642234 · Granted Nov 4, 2003