Assignee
Inventors
- Isao Kobayashi (181 patents)
- Yutaka Endo (27 patents)
- Noriyuki Kaifu (140 patents)
- Toshio Kameshima (148 patents)
- Toshikazu Tamura (36 patents)
- Hideki Nonaka (29 patents)
- Takashi Ogura (126 patents)
US Patent 6690493 · Granted Feb 10, 2004