Assignee
Inventors
- Shigeko Sujita (6 patents)
- Takahiro Kusakabe (1 patents)
- Kyoko Hamahara (12 patents)
- Kazuo Mochizuki (38 patents)
- Hiroyuki Tanabe (65 patents)
- Masanori Nagai (12 patents)
- Nobuyoshi Kato (5 patents)
- Osamu Ogawa (61 patents)
US Patent 5723210 · Granted Mar 3, 1998