Assignee
Inventors
- Takayuki Yoshimi (9 patents)
- Naoto Ono (19 patents)
- Ryohei Mukai (11 patents)
- Yasunori Kobayashi (61 patents)
- Masaaki Sato (362 patents)
- Tadashi Kumazawa (3 patents)
- Yuji Kubo (44 patents)
- Masanori Matsumoto (84 patents)
US Patent 6328636 · Granted Dec 11, 2001