Assignee
Inventors
- Takumi Nakayama (8 patents)
- Hironaga Hongawa (11 patents)
- Masashi Matsumoto (89 patents)
- Hirohito Mukaiyama (4 patents)
- Hitoshi Asai (23 patents)
- Mitsuru Shimono (4 patents)
- Satoshi Sakai (126 patents)
- Yasuhiro Matsue (5 patents)
US Patent 6224051 · Granted May 1, 2001