Assignee
Inventors
- Tetsuya Tada (63 patents)
- Masumi Nagasaka (8 patents)
- Kouji Iwamoto (5 patents)
- Tatsuo Teratani (13 patents)
- Junji Takahashi (29 patents)
- Akira Miyazaki (55 patents)
- Masaki Hitotsuya (7 patents)
- Kiyoshi Yagi (70 patents)
US Patent 4862367 · Granted Aug 29, 1989