Assignee
Inventors
- Satoshi Ozaki (4 patents)
- Tsukuru Izukawa (17 patents)
- Haruhiko Kawakami (4 patents)
- Takayoshi Masuda (12 patents)
- Seiji Esaki (1 patents)
- Masayuki Kimura (79 patents)
- Toshio Nozawa (5 patents)
US Patent 5107068 · Granted Apr 21, 1992