Assignee
Inventors
- Takeo Morinaga (15 patents)
- Iwao Yamamoto (31 patents)
- Hajime Inoue (104 patents)
- Noriyuki Yamamoto (79 patents)
- Koichi Oyama (21 patents)
- Masashi Nakamura (167 patents)
- Hisayoshi Moriwaki (31 patents)
US Patent 6779198 · Granted Aug 17, 2004