Assignee
Inventors
- Yasuyuki Takiguchi (40 patents)
- Akihiko Kanemoto (22 patents)
- Kiyohiro Uehara (11 patents)
- Yoshio Imai (21 patents)
- Taro Hino (2 patents)
- Mitsumasa Iwamoto (2 patents)
- Masaaki Kakimoto (6 patents)
- Masaaki Suzuki (173 patents)
US Patent 4921728 · Granted May 1, 1990