Assignee
Inventors
- Tsutami Misawa (32 patents)
- Kenichi Sugimoto (81 patents)
- Taizo Nishimoto (16 patents)
- Hisashi Tsukahara (11 patents)
- Takeshi Tsuda (39 patents)
- Keisuke Takuma (49 patents)
- Hideki Umehara (14 patents)
US Patent 5948593 · Granted Sep 7, 1999