Assignee
Inventors
- Kazuo Shibuya (4 patents)
- Kenji Takase (33 patents)
- Tsuguaki Shibata (1 patents)
- Shigeru Shinzawa (3 patents)
- Tamiaki Matsuura (8 patents)
- Hidekuni Aizawa (16 patents)
- Keigo Suzuki (18 patents)
- Hideo Ohata (33 patents)
US Patent 6837434 · Granted Jan 4, 2005