Assignee
Inventors
- Hisashi Matsumoto (47 patents)
- Hiroshi Endo (246 patents)
- Eiichi Takagi (18 patents)
- Takeshi Ozasa (4 patents)
- Akio Iino (3 patents)
- Takahisa Akaishi (9 patents)
- Yoshikazu Ishikawa (64 patents)
US Patent 6765690 · Granted Jul 20, 2004