Assignee
Inventors
- Akio Kobayashi (136 patents)
- Yumi Takahashi (3 patents)
- Hiroshi Koizumi (112 patents)
- Kazuo Abe (38 patents)
- Makoto Taya (5 patents)
- Michiko Nakanishi (15 patents)
- Susumu Saito (201 patents)
US Patent 6817929 · Granted Nov 16, 2004