Assignee
Inventors
- Shigeki Morinaga (58 patents)
- Norio Nakagawa (33 patents)
- Mitsuru Watabe (61 patents)
- Mamoru Ohba (6 patents)
- Hiroyuki Kida (22 patents)
- Hisashi Kaziwara (9 patents)
- Takeshi Asai (24 patents)
- Junichi Tatezaki (9 patents)
US Patent 5504912 · Granted Apr 2, 1996