Seiko Watch Kabushiki Kaisha (Trading as Seiko Watch Corporation)

Tomohiro Ihashi (1 out of 30 patents)

Akihito Okumura (1 out of 6 patents)

Kazuo Kato (1 out of 51 patents)

4.  Kazumi Sakumoto (1 out of 54 patents)

5.  Takeshi Hiraoka (1 out of 8 patents)

6.  Naoki Amano (1 out of 2 patents)

7.  Jun Tsuneyoshi (1 out of 5 patents)

8.  Masanori Kawamura (1 out of 2 patents)

9.  Tomokazu Ejiri (1 out of 1 patent)

10.  Terutaka Sugiyama (1 out of 1 patent)

11.  Yukio Kanemaki (1 out of 1 patent)

12.  Akihisa Edward Sugitani (1 out of 1 patent)

13.  Yutaro Kamada (1 out of 1 patent)

14.  Yukiyasu Yamada (1 out of 1 patent)

15.  Yugo Hibayashi (1 out of 1 patent)