Assignee
Inventors
- Takahito Miyoshi (57 patents)
- Nobuo Aoki (48 patents)
- Takashi Yoneyama (39 patents)
- Akira Kasuga (28 patents)
- Toshimitu Okutu (31 patents)
- Masaaki Fujiyama (107 patents)
- Yasutoshi Okuzawa (18 patents)
US Patent 4696859 · Granted Sep 29, 1987