Tokyu Co., Ltd.

Masakazu Obayashi (2 out of 13 patents)

Hajime Kurita (2 out of 12 patents)

Fumitaka Yoshizumi (2 out of 4 patents)

4.  Yasuhiro Kondoh (2 out of 7 patents)

5.  Kazunori Yoshida (2 out of 19 patents)

6.  Masakatsu Kuroishi (2 out of 6 patents)

7.  Masakazu Hashimoto (2 out of 22 patents)

8.  Takayuki Inoue (2 out of 2 patents)

9.  Katsuji Abe (2 out of 2 patents)

10.  Yasushi Suzuki (1 out of 3 patents)

11.  Yoshio Kimoto (1 out of 12 patents)

12.  Masahiro Hamanaka (1 out of 1 patent)

13.  Jun Miyamoto (1 out of 1 patent)

14.  Nobuto Imamura (1 out of 1 patent)

15.  Takayuki Inoue (0 patent)