Assignee
Inventors
- Masaaki Kawasumi (10 patents)
- Masahiro Kodani (3 patents)
- Shinichi Nagasawa (5 patents)
- Chiyoshi Toya (12 patents)
- Shinsaku Hayakawa (3 patents)
- Masaru Wada (1 patents)
- Kiyoharu Nishimura (1 patents)
US Patent 6502416 · Granted Jan 7, 2003