Assignee
Inventors
- Yasuhiro Hirano (44 patents)
- Takaaki Matono (32 patents)
- Haruki Takata (18 patents)
- Takashi Hasegawa (305 patents)
- Kazuo Ishikura (17 patents)
- Masato Sugiyama (22 patents)
- Mitsuo Nakajima (77 patents)
- Yasutaka Tsuru (29 patents)
US Patent 6509930 · Granted Jan 21, 2003