Okano Valve Mfg. Co. Ltd.

Keisuke Sakemura (2 out of 2 patents)

Yoshihisa Kiyotoki (2 out of 14 patents)

Daisuke Hirasawa (1 out of 2 patents)

4.  Hisashi Satou (1 out of 1 patent)

5.  Keiji Sasaki (1 out of 1 patent)

6.  Yuta Fukuda (1 out of 1 patent)

7.  Yoshiharu Kawahara (1 out of 1 patent)

8.  Takayoshi Nakashima (1 out of 1 patent)

9.  Yoshitomo Kanemura (1 out of 1 patent)

10.  Yukio Imoto (1 out of 1 patent)

11.  Kawahara Yoshiharu (0 patent)

12.  Nakashima Takayoshi (0 patent)

13.  Imoto Yukio (0 patent)

14.  Kanemura Yoshitomo (0 patent)

15.  Kiyotoki Yoshihisa (0 patent)