Assignee
Inventors
- Hiroyuki Matsuba (22 patents)
- Tohru Nakagawa (95 patents)
- Hideo Torii (65 patents)
- Takeshi Kamada (43 patents)
- Kazunari Chikanawa (7 patents)
- Hiroaki Nakashima (15 patents)
- Seishi Tomari (8 patents)
US Patent 7156481 · Granted Jan 2, 2007