Assignee
Inventors
- Yasuhiko Ishikawa (16 patents)
- Makoto Ishizuka (23 patents)
- Yoshiyuki Nakabayashi (3 patents)
- Kouji Iizuka (2 patents)
- Yasushi Koshigaya (1 patents)
- Yoshiaki Kitsunezuka (1 patents)
- Kenji Karasawa (1 patents)
- Masayuki Sayama (14 patents)