Assignee
Inventors
- Tomofumi Kitazawa (12 patents)
- Takashi Kitaguchi (25 patents)
- Hiromasa Shimizu (9 patents)
- Masayoshi Katoh (9 patents)
- Yasuhiro Sato (121 patents)
- Saburoh Sasaki (3 patents)
- Akihiro Etoh (2 patents)
US Patent 6940542 · Granted Sep 6, 2005