Assignee
Inventors
- Yuji Shirakura (3 patents)
- Hisamasa Abe (4 patents)
- Teruo Yamashita (30 patents)
- Tatsuo Shimizu (239 patents)
- Sei Kawahara (6 patents)
- Takahito Miyoshi (57 patents)
- Yasuo Nishikawa (81 patents)
US Patent 5466519 · Granted Nov 14, 1995