Assignee
Inventors
- Hiroyuki Matsukawa (90 patents)
- Akira Yonemizu (20 patents)
- Michiaki Matsushita (15 patents)
- Akihiro Fujimoto (75 patents)
- Takashi Takekuma (18 patents)
- Hidetami Yaegashi (40 patents)
- Takahide Fukuda (7 patents)
US Patent 5686143 · Granted Nov 11, 1997