Assignee
Inventors
- Takashi Kataoka (65 patents)
- Yuji Shirao (16 patents)
- Daisuke Konno (7 patents)
- Yoshio Sato (91 patents)
- Yoichi Kanemitsu (18 patents)
- Hideo Tsuboi (4 patents)
- Shunichi Aiyoshizawa (11 patents)
- Kazuyuki Kasahara (7 patents)
US Patent 5223758 · Granted Jun 29, 1993