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USPTO Data Jan 1 1976 - Sep 22 2026
2 Patents
#95 in Hiroshima, 729-3431
#11,115 in Japan
Hatamura Engine Research Office Ltd.
Forward Citations = 5
6 inventors:
Hatamura Engine Research Office Ltd.
% Expired Patents = 50.0
EPO Patents = 1
Forward Citations = 5
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6 inventors (with patents filed for the assignee):
Koichi Hatamura (2 out of 22 patents)
Jun Bota (1 out of 1 patent)
Taizo Fujimura (1 out of 1 patent)
4. Susumu Takayama (1 out of 1 patent)
5. Toshio Yamada (1 out of 1 patent)
6. Atsushi Morita (1 out of 4 patents)
7. Toshio Yamada (0 patent)
2 patents:
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Please report any incorrect information to [email protected]
1 patent (EPO):
Please report any incorrect information to [email protected]