Assignee
Inventors
- Yoshikazu Nakayama (69 patents)
- Seiji Akita (13 patents)
- Akio Harada (54 patents)
- Takashi Okawa (81 patents)
- Yuichi Takano (17 patents)
- Masatoshi Yasutake (50 patents)
- Yoshiharu Shirakawabe (25 patents)
US Patent 6705154 · Granted Mar 16, 2004