Assignee
Inventors
- Michihiro Murata (57 patents)
- Akira Kumada (41 patents)
- Kenji Matsuo (106 patents)
- Chitaka Ochiai (6 patents)
- Shigeo Yamazaki (15 patents)
- Masaaki Kimura (51 patents)
- Naoyuki Kohriya (1 patents)
US Patent 5226313 · Granted Jul 13, 1993