Assignee
Inventors
- Takashi Okada (367 patents)
- Takashi Chikura (6 patents)
- Hisanori Abiru (3 patents)
- Tetsuo Ichikizaki (9 patents)
- Masanori Masumoto (10 patents)
- Shinichi Masumoto (3 patents)
- Ikko Yasunaga (3 patents)
- Tatsuya Hirano (17 patents)
US Patent 6382437 · Granted May 7, 2002