Assignee
- Japan As Represented By Director General Of The Agency Of Industrial Science And Technology
- Nippon Silica Glass Co.
Inventors
- Hiroshi Yamashita (318 patents)
- Kanenaga Fujii (6 patents)
- Takumi Fukunishi (7 patents)
- Masafumi Shigeoka (1 patents)
- Hiroshi Sudo (12 patents)