Assignee
Inventors
- Akio Mimura (19 patents)
- Yoshikazu Hosokawa (4 patents)
- Takaya Suzuki (41 patents)
- Takashi Aoyama (76 patents)
- Nobutake Konishi (54 patents)
- Yutaka Misawa (19 patents)
- Kenji Miyata (84 patents)
US Patent 4954855 · Granted Sep 4, 1990