Assignee
Inventors
- Hirofumi Imabayashi (10 patents)
- Kenji Joko (12 patents)
- Tsutomu Takahashi (178 patents)
- Katsuya Fujii (11 patents)
- Kazunori Omori (4 patents)
- Yasunori Murata (16 patents)
- Hideki Zenitani (18 patents)
- Koichi Namimatsu (7 patents)
US Patent 6709168 · Granted Mar 23, 2004