The Nippon Road Company Limited

Yukio Takagi (1 out of 12 patents)

Wataru Yukawa (1 out of 1 patent)

Akio Ishii (1 out of 3 patents)

4.  Tetsuo Ogawa (1 out of 3 patents)

5.  Fumio Goto (1 out of 6 patents)

6.  Yasuhiro Ogoshi (1 out of 2 patents)

7.  Keitaro Hironaka (1 out of 2 patents)

8.  Yoshun Hasegawa (1 out of 2 patents)

9.  Tomohiro Gocho (1 out of 3 patents)

10.  Shoji Kinoshita (1 out of 2 patents)

11.  Yukiei Masuyama (1 out of 2 patents)

12.  Mitsuo Fukukawa (1 out of 2 patents)

13.  Hidenori Yasu (1 out of 4 patents)

14.  Ryoei Umeda (1 out of 2 patents)

15.  Noriaki Miyamoto (1 out of 2 patents)