AY

Akira Yasukawa

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HC Hitachi Cable: 2 patents #313 of 1,086Top 30%
📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,677,731 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4606405 Heat transfer wall Wataru Nakayama, Tadakatsu Nakajima, Heikichi Kuwahara, Takahiro Daikoku, Hiromichi Yoshida 1986-08-19
4585055 Liquid film evaporation type heat exchanger Wataru Nakayama, Takahiro Daikoku, Tadakatsu Nakajima, Heikichi Kuwahara 1986-04-29
4561497 Heat transfer surface and manufacturing method for same Tadakatsu Nakajima, Wataru Nakayama, Takahiro Daikoku, Heikichi Kuwahara, Katsuhiko Kasuya +3 more 1985-12-31