3 Patents
#3,271 in Tokyo
#8,779 in Japan
Penta-ocean Construction Co., Ltd.
Forward Citations = 9
8 inventors:
8 inventors (with patents filed for the assignee):
Hiromichi Yamashita (1 out of 9 patents)
Toshio Akesaka (1 out of 36 patents)
Hiroji Tanaka (1 out of 1 patent)
4. Nobuharu Hayashi (1 out of 1 patent)
5. Kazuto Hamada (1 out of 2 patents)
6. Kenji Takagi (1 out of 1 patent)
7. Hideaki Mutsuro (1 out of 1 patent)
8. Yoshiharu Watari (1 out of 1 patent)
3 patents:
#3,271 in Tokyo
#8,779 in Japan
8 inventors: