Joban Joint Power Co., Ltd.

Yoshinori Koyama (2 out of 38 patents)

Katsuhiko Yokohama (2 out of 17 patents)

Yasunari Shibata (1 out of 21 patents)

4.  Naoki Suganuma (1 out of 2 patents)

5.  Jun Kasai (1 out of 13 patents)

6.  Masami Iida (1 out of 8 patents)

7.  Mutsuaki Taguchi (1 out of 1 patent)

8.  Shinya Hamasaki (1 out of 2 patents)

9.  Toshimi Ohtsuka (1 out of 1 patent)

10.  Naoshige Yoshida (7 patents)

11.  Yoshihiko Horie (1 patent)

12.  Iwao Honda (0 patent)

13.  Hitoshi Terada (0 patent)

14.  Hirofumi Ando (0 patent)

15.  Naoki Suganuma (0 patent)