Assignee
Inventors
- Ryuichi Hirose (11 patents)
- Hiroyasu Nadamoto (9 patents)
- Kazuo Masuko (3 patents)
- Noriyuki Okawa (4 patents)
- Masaki Kawachi (10 patents)
- Saburo Watanabe (19 patents)
- Kaoru Sato (104 patents)
- Takeshi Sekine (9 patents)
US Patent 6883340 · Granted Apr 26, 2005