Assignee
Inventors
- Tooru Hasegawa (6 patents)
- Toyota Nishi (4 patents)
- Akira Kaiyama (9 patents)
- Takeshi Sugiyama (115 patents)
- Hironari Kobayashi (12 patents)
- Hiroshi Matsunaga (79 patents)
- Kazuyuki Kozu (15 patents)
US Patent 6937859 · Granted Aug 30, 2005