Assignee
Inventors
- Shigenori Torihata (3 patents)
- Kazuto Togino (1 patents)
- Akira Okamoto (136 patents)
- Haruo Hashimoto (28 patents)
- Yukitaka Takitani (5 patents)
- Hisaakira Imaizumi (2 patents)
- Hiroshi Miyata (73 patents)
US Patent 4761547 · Granted Aug 2, 1988