Oyama
Japan
2
2006-03-23
The entities that hold a legal rights for patent applications filed by inventor Watanabe Isao:
Isao Watanabe from Oyama, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Finned tube for heat exchangers, heat exchanger, apparatus for fabricating heat exchanger finned tube and process for fabricating heat exchanger finned tube
#2 | 2005-08-16Finned tube for heat exchangers, heat exchanger, process for producing heat exchanger finned tube, and process for fabricating heat exchanger
6098705 ⎘