Assignee
Inventors
- Ryotaro Tsuji (11 patents)
- Yousuke Asai (4 patents)
- Masayuki Fujita (135 patents)
- Hajime Harada (6 patents)
- Susumu Kyotani (3 patents)
- Takeshi Kawamura (64 patents)
- Kenji Kuroda (29 patents)
- Hiroshi Iwakiri (37 patents)
US Patent 6503995 · Granted Jan 7, 2003