YS

Yoshihiro Sumida

Mitsubishi Electric: 28 patents #534 of 25,717Top 3%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
Overall (All Time): #131,532 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
5429183 Plate-type heat exchanger and method of producing the same Youichi Hisamori, Mitunori Kurachi, Masaaki Taniguchi, Tutomu Noma, Masao Kohashi 1995-07-04
5419144 Refrigeration device using hydrofluorocarbon refrigerant Susumu Kawaguchi, Tatsuaki Shimizu, Hiroshige Konishi, Hitoshi Maruyama, Noboru Masuda +2 more 1995-05-30
5355695 Refrigeration device using hydrofluorocarbon refrigerant Susumu Kawaguchi, Tatsuaki Shimizu, Hiroshige Konishi, Hitoshi Maruyama, Noboru Masuda +2 more 1994-10-18
4987747 Air conditioning device Takashi Nakamura, Naoki Tanaka, Hitoshi Iijima 1991-01-29