Assignee
Inventors
- Koichi Yonezawa (32 patents)
- Osamu Hosokawa (15 patents)
- Jun Takahashi (265 patents)
- Senji Kato (27 patents)
- Hirohisa Kishi (7 patents)
- Noboru Takagi (67 patents)
- Takayuki Demura (32 patents)
US Patent 6520148 · Granted Feb 18, 2003