Assignee
Inventors
- Nobutake Konishi (54 patents)
- Yoshikazu Hosokawa (4 patents)
- Akio Mimura (19 patents)
- Takaya Suzuki (41 patents)
- Jun-ichi Ohwada (11 patents)
- Hideaki Kawakami (73 patents)
- Kenji Miyata (84 patents)
US Patent 4942441 · Granted Jul 17, 1990