Assignee
Inventors
- Akihiro Uetake (23 patents)
- Toshio Mamiya (43 patents)
- Katsuji Akimoto (6 patents)
- Masaki Takase (33 patents)
- Katsuaki Ikema (4 patents)
- Kazuyoshi Suzuki (74 patents)
- Katsunori Takahashi (112 patents)
US Patent 6081403 · Granted Jun 27, 2000