Assignee
Inventors
- Ryouta Doi (10 patents)
- Hidehiro Iizuka (19 patents)
- Hiroshi Hanaoka (14 patents)
- Toshio Ogawa (120 patents)
- Osamu Kuroda (70 patents)
- Hisao Yamashita (43 patents)
- Yuichi Kitahara (21 patents)
- Toshifumi Hiratsuka (9 patents)
US Patent 5972828 · Granted Oct 26, 1999