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Yoshio Nozawa

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
📍 Tochigi, JP: #853 of 2,789 inventorsTop 35%
Overall (All Time): #1,300,931 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4898232 Heat exchanger and process for producing the same Izumi Ochiai, Masahiro Miyagi, Yukio Kitayama 1990-02-06
4698904 Apparatus for assembling fins and tubes for heat exchangers Izumi Ochiai, Yukio Kitayama, Masahiro Miyagi, Katsuharu Uehara, Takahiko Deguchi +3 more 1987-10-13
4597171 Tube-enlarging press for use in heat exchanger fabrication Yukio Kitayama, Izumi Ochiai, Masahiro Miyagi, Tadaaki Ayabe, Katsuharu Uehara 1986-07-01
4566359 Method of stacking fins of heat exchangers Masahiro Miyagi, Katsuharu Uehara, Takahiko Deguchi 1986-01-28