Assignee
Inventors
- Hidefumi Shirahama (12 patents)
- Ikuo Yamato (12 patents)
- Norikazu Tokunaga (30 patents)
- Yasuo Matsuda (63 patents)
- Mitsufumi Iwanaka (2 patents)
- Takeshi Nagano (8 patents)
- Youuji Ishida (1 patents)
US Patent 5115386 · Granted May 19, 1992