Kosaka Smelting & Refining Co., Ltd.

Nobuyasu Ezawa (3 out of 14 patents)

Hiroshi Inoue (3 out of 73 patents)

Masahiko Ogino (2 out of 2 patents)

4.  Koji Yamada (2 out of 31 patents)

5.  Hitoshi Masuda (1 out of 3 patents)

6.  Shoei Takada (1 out of 1 patent)

7.  Hiroshi Inoue (0 patent)

8.  Masahiko Ogino (0 patent)

9.  Kenichi Tayama (0 patent)

10.  Kazuma Takadate (0 patent)

11.  Masahiko Ogino (0 patent)

12.  Hiroshi c/o Kosaka Smelt& RefinCo Ltd Inoue (0 patent)

13.  Nobuyasu c/o Tanaka Kikinzoku Kogyo KK Ezawa (0 patent)