Assignee
- Japan As Represented By Director General Of The Agency Of Industrial Science And Technology
- Ngk Spark Plug Co.
Inventors
- Yoshiyuki Yokogawa (10 patents)
- Tetsuya Kameyama (8 patents)
- Yukari Kawamoto (7 patents)
- Kaori Nishizawa (6 patents)
- Fukue Nagata (7 patents)
- Kohji Okada (12 patents)
- Hiroshi Sumi (17 patents)