Hitachi Elevayor Engineering and Service Co., Ltd.

Eiji Ikeda (1 out of 9 patents)

Toshihiko Nara (1 out of 10 patents)

Masanobu Itoh (1 out of 5 patents)

4.  Tastuhiko Takahashi (1 out of 3 patents)

5.  Katutaro Masuda (1 out of 3 patents)

6.  Yoshinari Atsumi (1 out of 1 patent)

7.  Yuki Yamamoto (1 out of 1 patent)

8.  Jun Sugahara (1 out of 5 patents)

9.  Hideaki Seki (1 out of 1 patent)

10.  Nobuyoshi Sato (1 out of 1 patent)

11.  Masayuki Shigeta (1 out of 13 patents)

12.  Hiroshi Kinoshita (1 out of 15 patents)

13.  Shinkei Kakami (1 out of 1 patent)