Assignee
Inventors
- Nobuo Goto (32 patents)
- Hiroshi Kato (424 patents)
- Masayoshi Shimizuya (8 patents)
- Takashi Imanishi (74 patents)
- Hisashi Machida (47 patents)
- Hirotoshi Aramaki (16 patents)
- Kinji Yukawa (11 patents)
- Yuji Nakano (69 patents)
US Patent 6368245 · Granted Apr 9, 2002