KY

Keiji Yamasaki

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,260,551 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5754935 Vane material and process for preparing same Yutaka Kubo, Hideki Nakamura, Norimasa Uchida 1998-05-19
5591023 Rotary type compressor Hideki Nakamura, Fujio Yamane, Toshiki Yoshida, Tadashi Iizuka, Akihiko Ishiyama 1997-01-07